Headlight Laws by State: When to Use Lights (2026)

Headlight Laws by State

Choose a state to read the headlight wording we could verify in its statutes or state driver manual. The checker separates nighttime use, poor visibility, windshield wipers, and dimming for oncoming or following traffic. It also shows tunnel and work-zone wording and a penalty when the source states one. Compare states in the table below, then open the source details for the quoted text and official URL. Treat each result as an excerpt, and review the full source for its scope and exceptions. A field marked Not verified is an evidence gap in this checker. It does not mean the state has no rule. This tool is for education, not legal advice.

Check your state's headlight rules

Official wording for passenger-vehicle lighting. Select a state to begin.

State or District of Columbia

Pick a state to see nighttime use, visibility, wipers and dimming rules.

Not verified means this checker has no confirmed text for that field. Read each source for scope and exceptions. Educational information, not legal advice.

Headlight laws in all 50 states and DC

Entries quote the source wording. Oncoming and following dimming rules are shown separately. Penalties, tunnels, work zones and other verified source notes appear in the checker.

Source excerpts for passenger-vehicle lighting. Read the full source for conditions and exceptions.
State	When required	Visibility rule	Wipers rule	Dimming distances	Statute link / source
AlabamaAL	from a half-hour after sunset to a half-hour before sunrise	when you cannot see clearly for at least 500 feet	Not verified	Oncoming: within 500 feet of an oncoming vehicle Following: within 200 feet when following another vehicle	Source text and URL
AlaskaAK	Headlights must be turned on from 1/2 hour after sunset to 1/2 hour before sunrise.	Headlights must be turned on in daytime when visibility is reduced to 1000 feet or less by fog, rain, snow, smoke, or dust.	Not verified	Oncoming: Change headlights to low beam (dim) 500 feet or more from oncoming vehicle. Following: Change headlights to low beam (dim) 300 feet or more from vehicle going in the same direction.	Source text and URL
ArizonaAZ	At any time from sunset to sunrise	when there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet ahead	Not verified	Oncoming: approaches an oncoming vehicle within five hundred feet Following: follows another vehicle within two hundred feet to the rear, except when engaged in the act of overtaking and passing	Source text and URL
ArkansasAR	a ½ hour (30 minutes) after sunset, a ½ hour (30 minutes) before sunrise	anytime you cannot see a person or object clearly within 500 feet	Arkansas law requires drivers to turn on their headlights when windshield wipers are needed.	Oncoming: Dim your high beams whenever you come within 500 feet of an oncoming vehicle. Following: Use your low-beam headlights when following another vehicle closer than 200 feet.	Source text and URL
CaliforniaCA	Beginning 30 minutes after sunset. Until 30 minutes before sunrise.	When it is too dark to see from 1,000 feet away.	If you need to use your windshield wipers due to fog, rain, or snow, you must turn on your low-beam headlights.	Oncoming: within 500 feet of a vehicle coming toward you Following: within 300 feet of a vehicle you are following	Source text and URL
ColoradoCO	from sunset to sunrise	when visibility is less than 1,000 feet	Not verified	Oncoming: you must dim them before coming within 500 feet of any oncoming vehicle Following: When following another vehicle, you must use your low beam lights, with your fog lights off, if you are within 200 feet of the vehicle ahead of you.	Source text and URL
ConnecticutCT	at any time from a half-hour after sunset to a half-hour before sunrise at any time during periods of precipitation, including, but not limited to, periods of snow, rain or fog	persons and vehicles on the highway are not clearly discernible at a distance of five hundred feet ahead	Not verified	Oncoming: approaches an oncoming vehicle within five hundred feet Following: approaches another vehicle from the rear, within three hundred feet	Source text and URL
DelawareDE	at any time from sunset to sunrise, or during fog, smoke, rain	persons and vehicles on the highway are not clearly discernible at a distance of 1,000 feet ahead	when windshield wipers are in use because of weather conditions	Oncoming: approaches an oncoming vehicle within 500 feet Following: follows another vehicle within 200 feet to the rear, except when engaged in the act of overtaking and passing	Source text and URL
District of ColumbiaDC	Not verified	Not verified	Not verified	Oncoming: Not verified Following: Not verified	Source text and URL
FloridaFL	At any time from sunset to sunrise including the twilight hours. During any rain, smoke, or fog.	Not verified	Not verified	Oncoming: approaches an oncoming vehicle within 500 feet Following: approaches another vehicle from the rear within 300 feet	Source text and URL
GeorgiaGA	between one-half hour after sunset to one-half hour before sunrise at any time when it is raining; or when visibility is limited.	Not verified	Not verified	Oncoming: You are within 500 feet of an approaching vehicle so as not to blind the driver; Following: You are following closely (within 200 feet) behind another vehicle;	Source text and URL
HawaiiHI	From thirty minutes after sunset until thirty minutes before sunrise	Not verified	Not verified	Oncoming: Not verified Following: Not verified	Source text and URL
IdahoID	Headlamps and tail lamps must be lighted from sunset to sunrise and when poor visibility makes them necessary for safety.	when vision is reduced to 500 feet or less	Not verified	Oncoming: Headlamps must be dimmed 500 feet before meeting and 200 feet before overtaking another vehicle. Following: Headlamps must be dimmed 500 feet before meeting and 200 feet before overtaking another vehicle.	Source text and URL
IllinoisIL	during the period from sunset to sunrise	persons and vehicles on the highway are not clearly discernible at a distance of 1000 feet	at times when rain, snow, fog, or other atmospheric conditions require the use of windshield wipers	Oncoming: within 500 feet of another vehicle approaching from the opposite direction Following: another vehicle traveling in the same direction less than 300 feet to the front of him	Source text and URL
IndianaIN	Drivers must use headlights between sunset and sunrise	at any other time in which visibility is less than 500 feet	Not verified	Oncoming: approaching within 500 feet of an oncoming vehicle Following: following within 200 feet of the rear of another vehicle	Source text and URL
IowaIA	at any time from sunset to sunrise	when conditions such as fog, snow, sleet, or rain provide insufficient lighting to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet ahead	Not verified	Oncoming: approaches an oncoming vehicle within one thousand feet Following: follows another vehicle within four hundred feet to the rear, except when engaged in the act of overtaking and passing	Source text and URL
KansasKS	From sunset to sunrise;	persons and vehicles on the highway are not clearly discernible at a distance of 1,000 feet ahead	when windshield wipers are in continuous use as a result of rain, sleet or snow	Oncoming: approaches an oncoming vehicle within 500 feet Following: approaches another vehicle from the rear, within 300 feet, except when engaged in the act of overtaking and passing	Source text and URL
KentuckyKY	During the period from one-half (1/2) hour after sunset to one-half (1/2) hour before sunrise;	At such other times as atmospheric conditions render visibility as low as or lower than is ordinarily the case during that period.	Not verified	Oncoming: approaches an oncoming vehicle within five hundred (500) feet Following: follows another vehicle within three hundred (300) feet to the rear, except when engaged in the act of overtaking and passing	Source text and URL
LouisianaLA	At any time between sunset and sunrise.	When, due to insufficient light or unfavorable atmospheric conditions, persons and vehicles on the highway are not clearly discernable at a distance of five hundred feet ahead.	When moisture in the air or precipitation necessitates the continuous use of windshield wipers.	Oncoming: approaches an oncoming vehicle within 500 feet Following: follows another vehicle within 200 feet to the rear, except when engaged in the act of overtaking or passing	Source text and URL
MaineME	During the period from sunset to sunrise;	At any time when, due to insufficient light or unfavorable atmospheric conditions, including, but not limited to, rain, freezing rain, fog or snow, persons or vehicles on the way are not discernible for a distance of 1,000 feet ahead;	At any time when windshield wipers are in constant use.	Oncoming: approaches an oncoming vehicle within 500 feet Following: follows a vehicle within 300 feet	Source text and URL
MarylandMD	Not verified	persons and vehicles on the highway are not clearly discernible at a distance of 1,000 feet ahead	if a driver of a vehicle on a highway operates the vehicle's windshield wipers for a continuous period of time because of impaired visibility resulting from unfavorable atmospheric conditions, the driver shall light the vehicle's headlamps.	Oncoming: approaches an oncoming vehicle within 500 feet Following: approaches another vehicle from the rear, within 300 feet	Source text and URL
MassachusettsMA	during the period of 1/2 hour after sunset to 1/2 hour before sunrise	visibility is reduced such that persons or vehicles on the roadway are not clearly discernible at a distance of 500 feet	when the vehicle's windshield wipers are needed	Oncoming: Not verified Following: Not verified	Source text and URL
MichiganMI	at any time from a half hour after sunset to a half hour before sunrise	when there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of 500 feet ahead	Not verified	Oncoming: Not verified Following: Not verified	Source text and URL
MinnesotaMN	at any time from sunset to sunrise; at any time when it is raining, snowing, sleeting, or hailing;	there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of 500 feet ahead	Not verified	Oncoming: approaches a vehicle within 1,000 feet Following: follows another vehicle within 200 feet to the rear, except when engaged in the act of overtaking and passing	Source text and URL
MississippiMS	You should use your lights between sunset and sunrise	at any other time when you cannot see clearly ahead for a distance of five hundred feet	Not verified	Oncoming: You are required by law to use your low beams when you approach within five hundred feet of an oncoming vehicle or when you are following within five hundred feet of another vehicle. Following: You are required by law to use your low beams when you approach within five hundred feet of an oncoming vehicle or when you are following within five hundred feet of another vehicle.	Source text and URL
MissouriMO	at any time from a half-hour after sunset to a half-hour before sunrise	when there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet ahead	Lighted lamps shall also be required any time the weather conditions require usage of the motor vehicle's windshield wipers to operate the vehicle in a careful and prudent manner as defined in section 304.012 .	Oncoming: approaches an oncoming vehicle within five hundred feet Following: is within three hundred feet to the rear of another vehicle traveling in the same direction	Source text and URL
MontanaMT	at any time from one-half hour after sunset to one-half hour before sunrise	persons and vehicles on the highway are not clearly discernible at a distance of 500 feet ahead	Not verified	Oncoming: approaches an oncoming vehicle within 1,000 feet Following: follows another vehicle within 500 feet to the rear	Source text and URL
NebraskaNE	Headlights must be used from sunset to sunrise.	Not verified	Not verified	Oncoming: Not verified Following: Dim headlights when following within 200 feet of another vehicle, and when meeting oncoming vehicles.	Source text and URL
NevadaNV	From a half hour after sunset until a half hour before sunrise.	Whenever persons or vehicles cannot be clearly seen at a distance of 1,000 feet.	Not verified	Oncoming: Change to low beams when you are at least 500 feet before any oncoming vehicles and 300 feet before any vehicle you are following. Following: Change to low beams when you are at least 500 feet before any oncoming vehicles and 300 feet before any vehicle you are following.	Source text and URL
New HampshireNH	during the period from 1/2 hour after sunset to 1/2 hour before sunrise	whenever rain, snow, or fog shall interfere with the proper view of the road so that persons and vehicles on the way are not clearly discernible at a distance of 1,000 feet ahead	Not verified	Oncoming: Not verified Following: Not verified	Source text and URL
New JerseyNJ	Headlights must be used between one-half hour after sunset and one-half hour before sunrise.	Headlights must also be used when visibility is 500 feet or less	when using windshield wipers (during rain, snow, and ice)	Oncoming: Not verified Following: Not verified	Source text and URL
New MexicoNM	Turn on your headlights when it begins to get dark.	Not verified	Not verified	Oncoming: Dim your high beams whenever you come within about a one-block distance of an oncoming vehicle. Following: Use your low beams within 200 feet when following another vehicle or when in heavy traffic.	Source text and URL
New YorkNY	from one-half hour after the sun sets to one-half hour before the sun rises	when visibility is less than 1,000 feet (300 m)	when you use your windshield wipers to clear rain, snow or sleet	Oncoming: within 500 feet (150 m) of an oncoming vehicle Following: within 200 feet (60 m) of a vehicle ahead of you, even if the vehicle ahead is in a different lane	Source text and URL
North CarolinaNC	from sunset to sunrise	when light conditions restrict visibility to 400 feet or less	when using windshield wipers during inclement weather	Oncoming: Not verified Following: Not verified	Source text and URL
North DakotaND	At any time from sunset to sunrise	when there is insufficient light to render a person or vehicle on the highway clearly discernible at a distance of one thousand feet [304.8 meters] ahead	Not verified	Oncoming: approaches an oncoming vehicle within five hundred feet [152.4 meters] Following: follows another vehicle within three hundred feet [91.44 meters] to the rear	Source text and URL
OhioOH	The time from sunset to sunrise;	persons, vehicles, and substantial objects on the highway are not discernible at a distance of one thousand feet ahead;	At any time when the windshield wipers of the vehicle are in use because of precipitation on the windshield.	Oncoming: Whenever the driver of a vehicle approaches an oncoming vehicle, such driver shall use a distribution of light, or composite beam, so aimed that the glaring rays are not projected into the eyes of the oncoming driver. Following: Not verified	Source text and URL
OklahomaOK	At any time from one-half (1/2) hour after sunset to one-half (1/2) hour before sunrise	persons and vehicles on the highway are not clearly discernible at a distance of one thousand (1,000) feet or less	Not verified	Oncoming: approaches an oncoming vehicle within one thousand (1,000) feet Following: follows another vehicle within six hundred (600) feet to the rear	Source text and URL
OregonOR	Any time from sunset to sunrise;	persons and vehicles are not clearly discernible on a straight, level, unlighted highway at a distance of 1,000 feet ahead	Not verified	Oncoming: approaches an oncoming vehicle within 500 feet Following: Except when in the act of overtaking or passing, a driver of a vehicle following another vehicle within 350 feet to the rear must use the low beams of the vehicle headlight system.	Source text and URL
PennsylvaniaPA	Between sunset and sunrise.	When they cannot see pedestrians or vehicles on the highway for a distance of 1,000 feet ahead of the vehicle they are operating.	Anytime your vehicle's wipers are in continuous or intermittent use due to weather conditions.	Oncoming: Pennsylvania law requires you use low beams whenever you are within 500 feet of an oncoming vehicle and when you are following a vehicle within 300 feet. Following: Pennsylvania law requires you use low beams whenever you are within 500 feet of an oncoming vehicle and when you are following a vehicle within 300 feet.	Source text and URL
Rhode IslandRI	when driving from sunset to sunrise	any time you cannot see 500 feet ahead of you	when windshield wipers are in use as a result of rain, sleet, snow, etc.	Oncoming: a distance of at least 500 feet ahead when approaching another vehicle Following: When following another vehicle at a distance of 200 feet or less, dim your high beam headlights so that they will not distract or blind the driver ahead.	Source text and URL
South CarolinaSC	from a half hour after sunset to a half hour before sunrise	when inclement weather or environmental factors severely reduce the ability to clearly discern persons and vehicles on the street or highway at a distance of five hundred feet ahead	when windshield wipers are in use as a result of rain, sleet, or snow the provisions of this section requiring use of lights in conjunction with the use of windshield wipers shall not apply to instances when windshield wipers are used intermittently in misting rain, sleet, or snow.	Oncoming: approaches an oncoming vehicle within five hundred feet Following: follows another vehicle within two hundred feet to the rear, except when engaged in the act of overtaking and passing	Source text and URL
South DakotaSD	during the period from sunset to sunrise	when there is not sufficient light to render clearly discernible any person on the highway at a distance of two hundred feet ahead	Not verified	Oncoming: Not verified Following: Not verified	Source text and URL
TennesseeTN	Your car headlights must be turned on 30 minutes after sunset until 30 minutes before sunrise.	At any time when daylight is not good enough for you to see persons or vehicles clearly at a distance of 200 feet ahead;	When rain, mist, snow, or other precipitation requires constant use of windshield wipers.	Oncoming: when an oncoming vehicle is within 500 feet (approximately the distance of one city block) Following: when you are following another vehicle within 500 feet	Source text and URL
TexasTX	at nighttime; the period beginning one-half hour after sunset and ending one-half hour before sunrise.	when light is insufficient or atmospheric conditions are unfavorable so that a person or vehicle on the highway is not clearly discernible at a distance of 1,000 feet ahead	Not verified	Oncoming: an operator approaching an oncoming vehicle within 500 feet Following: an operator approaching a vehicle from the rear within 300 feet	Source text and URL
UtahUT	from sunset to sunrise;	when persons and vehicles on the highway are not clearly discernible at a distance of 1,000 feet ahead due to: (A) insufficient light; or (B) unfavorable atmospheric conditions.	Not verified	Oncoming: an oncoming vehicle within 500 feet; Following: another vehicle from the rear within 300 feet.	Source text and URL
VermontVT	a half hour after sunset to a half hour before sunrise	Not verified	Not verified	Oncoming: Not verified Following: Not verified	Source text and URL
VirginiaVA	from sunset to sunrise;	visibility is reduced to a degree whereby persons or vehicles on the highway are not clearly discernible at a distance of 500 feet	whenever windshield wipers are in use as a result of fog, rain, sleet, or snow. The provisions of this subsection, however, shall not apply to instances when windshield wipers are used intermittently in misting rain, sleet, or snow.	Oncoming: Whenever a vehicle approaches an oncoming vehicle within 500 feet Following: approaches from the rear or follows within 200 feet of another vehicle proceeding in the same direction	Source text and URL
WashingtonWA	at any time from a half hour after sunset to a half hour before sunrise	persons and vehicles on the highway are not clearly discernible at a distance of one thousand feet ahead	Not verified	Oncoming: approaches an oncoming vehicle within five hundred feet Following: approaches another vehicle from the rear within three hundred feet	Source text and URL
West VirginiaWV	at any time from sunset to sunrise	when there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet ahead	Not verified	Oncoming: approaches an oncoming vehicle within five hundred feet Following: follows another vehicle within two hundred feet to the rear, except when engaged in the act of overtaking and passing	Source text and URL
WisconsinWI	during hours of darkness or during a period of limited visibility from one-half hour after sunset to one-half hour before sunrise	when there is not sufficient natural light to render clearly visible any person or vehicle upon a highway at a distance of 500 feet	Not verified	Oncoming: approaches an oncoming vehicle within 500 feet Following: approaches or follows another vehicle within 500 feet to the rear	Source text and URL
WyomingWY	at any time from one-half (1/2) hour after sunset to one-half (1/2) hour before sunrise	persons and vehicles on the highway are not clearly discernible at a distance of one thousand (1,000) feet ahead	Not verified	Oncoming: before coming within five hundred (500) feet of the oncoming vehicle Following: approaches another vehicle within three hundred (300) feet from the rear	Source text and URL

On a small screen, scroll the table sideways. Use the state checker for an easier reading view.

Headlight law questions

When should I turn on my headlights?

Select your state and read both the nighttime and visibility fields. The checker displays the wording found in that state's source, including any verified weather conditions. Read the source details for context and exceptions.

Do I need headlights when my windshield wipers are on?

Check the separate wipers field for your state. Virginia's source states: "whenever windshield wipers are in use as a result of fog, rain, sleet, or snow." It also states: "The provisions of this subsection, however, shall not apply to instances when windshield wipers are used intermittently in misting rain, sleet, or snow." This checker does not treat an unverified wipers field as permission to drive without lights.

When should I dim my high beams?

Read the oncoming and following entries separately. Iowa's dimming statute uses "approaches an oncoming vehicle within one thousand feet" and "follows another vehicle within four hundred feet to the rear, except when engaged in the act of overtaking and passing". Select your state for its own wording.

Are headlights required in tunnels or work zones?

Louisiana's lighting statute includes "While driving in a tunnel." Pennsylvania's driver manual includes "When driving through work zones." Any verified tunnel or work-zone excerpt appears in the checker's source notes.

Does Not verified mean that there is no headlight law?

No. It means we could not confirm that field from readable official text. A source may be blocked, incomplete, or silent on the specific point being checked. The source details show the text used for the verified fields.

What is the penalty for a headlight violation?

Choose a state and read the penalty field. The checker quotes a penalty or classification only when it was found in the source used for that state. Not verified means no penalty has been confirmed here. Read the full source before applying a penalty excerpt to a particular violation.

Sources and verification

The displayed rules are excerpts from official state statutes or state-published driver manuals. When an official site could not be read from this server, a Wayback copy from 2025 or later was used where available. Source URLs and the exact verified-copy URLs are shown below. Punctuation in displayed quotations uses plain quotes and hyphens. The quoted wording has otherwise been retained. Not verified records an evidence gap, including penalties or distances that could not be confirmed.

These excerpts concern passenger-vehicle lighting. They do not cover every vehicle class or every exception. A driver manual can include safety guidance as well as legal requirements. Review the full source before relying on an excerpt. See our methodology and legal disclaimer.

Alabama: official source excerpts

When headlights must be onfrom a half-hour after sunset to a half-hour before sunrise

https://www.alea.gov/sites/default/files/inline-files/driverlicensemanual.pdf

Dimming: oncoming trafficwithin 500 feet of an oncoming vehicle

https://www.alea.gov/sites/default/files/inline-files/driverlicensemanual.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Alaska: official source excerpts

When headlights must be onHeadlights must be turned on from 1/2 hour after sunset to 1/2 hour before sunrise.

https://dmv.alaska.gov/media/t5ef5vi2/dlman.pdf

Visibility ruleHeadlights must be turned on in daytime when visibility is reduced to 1000 feet or less by fog, rain, snow, smoke, or dust.

https://dmv.alaska.gov/media/t5ef5vi2/dlman.pdf

Dimming: oncoming trafficChange headlights to low beam (dim) 500 feet or more from oncoming vehicle.

https://dmv.alaska.gov/media/t5ef5vi2/dlman.pdf

Dimming: following trafficChange headlights to low beam (dim) 300 feet or more from vehicle going in the same direction.

https://dmv.alaska.gov/media/t5ef5vi2/dlman.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Arizona: official source excerpts

When headlights must be onAt any time from sunset to sunrise

https://www.azleg.gov/ars/28/00922.htm

Visibility rulewhen there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet ahead

https://www.azleg.gov/ars/28/00922.htm

Dimming: oncoming trafficapproaches an oncoming vehicle within five hundred feet

https://www.azleg.gov/ars/28/00942.htm

Dimming: following trafficfollows another vehicle within two hundred feet to the rear, except when engaged in the act of overtaking and passing

https://www.azleg.gov/ars/28/00942.htm

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Arkansas: official source excerpts

When headlights must be ona ½ hour (30 minutes) after sunset, a ½ hour (30 minutes) before sunrise

https://www.dps.arkansas.gov/wp-content/uploads/Arkansas-DL-Manual-English_September2024-09242024.pdf

Wipers ruleArkansas law requires drivers to turn on their headlights when windshield wipers are needed.

https://www.dps.arkansas.gov/wp-content/uploads/Arkansas-DL-Manual-English_September2024-09242024.pdf

Dimming: oncoming trafficDim your high beams whenever you come within 500 feet of an oncoming vehicle.

https://www.dps.arkansas.gov/wp-content/uploads/Arkansas-DL-Manual-English_September2024-09242024.pdf

Dimming: following trafficUse your low-beam headlights when following another vehicle closer than 200 feet.

https://www.dps.arkansas.gov/wp-content/uploads/Arkansas-DL-Manual-English_September2024-09242024.pdf

Not verified: Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

California: official source excerpts

When headlights must be onBeginning 30 minutes after sunset.

https://www.dmv.ca.gov/portal/handbook/california-driver-handbook/introduction-to-driving/

When headlights must be onUntil 30 minutes before sunrise.

https://www.dmv.ca.gov/portal/handbook/california-driver-handbook/introduction-to-driving/

Visibility ruleWhen it is too dark to see from 1,000 feet away.

https://www.dmv.ca.gov/portal/handbook/california-driver-handbook/introduction-to-driving/

Wipers ruleIf you need to use your windshield wipers due to fog, rain, or snow, you must turn on your low-beam headlights.

https://www.dmv.ca.gov/portal/handbook/california-driver-handbook/introduction-to-driving/

Dimming: oncoming trafficwithin 500 feet of a vehicle coming toward you

https://www.dmv.ca.gov/portal/handbook/california-driver-handbook/introduction-to-driving/

Tunnels, work zones and other source notesOn mountain roads and tunnels (even on sunny days).

https://www.dmv.ca.gov/portal/handbook/california-driver-handbook/introduction-to-driving/

Tunnels, work zones and other source notesWhen a road sign states that headlights must be on.

https://www.dmv.ca.gov/portal/handbook/california-driver-handbook/introduction-to-driving/

Not verified: Penalty excerpt, see cited section.

Colorado: official source excerpts

When headlights must be onfrom sunset to sunrise

https://dmv.colorado.gov/sites/dmv/files/documents/Driver_Handbook_2023.pdf

Verified copy: https://web.archive.org/web/20251101065957id_/https://dmv.colorado.gov/sites/dmv/files/documents/Driver_Handbook_2023.pdf

Dimming: oncoming trafficyou must dim them before coming within 500 feet of any oncoming vehicle

https://dmv.colorado.gov/sites/dmv/files/documents/Driver_Handbook_2023.pdf

Verified copy: https://web.archive.org/web/20251101065957id_/https://dmv.colorado.gov/sites/dmv/files/documents/Driver_Handbook_2023.pdf

Dimming: following trafficWhen following another vehicle, you must use your low beam lights, with your fog lights off, if you are within 200 feet of the vehicle ahead of you.

https://dmv.colorado.gov/sites/dmv/files/documents/Driver_Handbook_2023.pdf

Verified copy: https://web.archive.org/web/20251101065957id_/https://dmv.colorado.gov/sites/dmv/files/documents/Driver_Handbook_2023.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Connecticut: official source excerpts

When headlights must be onat any time from a half-hour after sunset to a half-hour before sunrise

https://www.cga.ct.gov/current/pub/chap_246.htm#sec_14-96a

Verified copy: https://web.archive.org/web/20251009231404id_/https://www.cga.ct.gov/current/pub/chap_246.htm

When headlights must be onat any time during periods of precipitation, including, but not limited to, periods of snow, rain or fog

https://www.cga.ct.gov/current/pub/chap_246.htm#sec_14-96a

Verified copy: https://web.archive.org/web/20251009231404id_/https://www.cga.ct.gov/current/pub/chap_246.htm

Visibility rulepersons and vehicles on the highway are not clearly discernible at a distance of five hundred feet ahead

https://www.cga.ct.gov/current/pub/chap_246.htm#sec_14-96a

Verified copy: https://web.archive.org/web/20251009231404id_/https://www.cga.ct.gov/current/pub/chap_246.htm

Dimming: oncoming trafficapproaches an oncoming vehicle within five hundred feet

https://www.cga.ct.gov/current/pub/chap_246.htm#sec_14-96a

Verified copy: https://web.archive.org/web/20251009231404id_/https://www.cga.ct.gov/current/pub/chap_246.htm

Dimming: following trafficapproaches another vehicle from the rear, within three hundred feet

https://www.cga.ct.gov/current/pub/chap_246.htm#sec_14-96a

Verified copy: https://web.archive.org/web/20251009231404id_/https://www.cga.ct.gov/current/pub/chap_246.htm

Penalty excerpt, see cited sectionFailure to provide lighted lamps and illuminating devices at such time as required by this section shall be an infraction.

https://www.cga.ct.gov/current/pub/chap_246.htm#sec_14-96a

Verified copy: https://web.archive.org/web/20251009231404id_/https://www.cga.ct.gov/current/pub/chap_246.htm

Not verified: Wipers rule; Tunnels, work zones and other source notes.

Delaware: official source excerpts

When headlights must be onat any time from sunset to sunrise, or during fog, smoke, rain

https://delcode.delaware.gov/title21/c043/sc02/index.html

Visibility rulepersons and vehicles on the highway are not clearly discernible at a distance of 1,000 feet ahead

https://delcode.delaware.gov/title21/c043/sc02/index.html

Wipers rulewhen windshield wipers are in use because of weather conditions

https://delcode.delaware.gov/title21/c043/sc02/index.html

Dimming: oncoming trafficapproaches an oncoming vehicle within 500 feet

https://delcode.delaware.gov/title21/c043/sc02/index.html

Dimming: following trafficfollows another vehicle within 200 feet to the rear, except when engaged in the act of overtaking and passing

https://delcode.delaware.gov/title21/c043/sc02/index.html

Not verified: Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

District of Columbia: official source excerpts

Tunnels, work zones and other source notesDim your lights to low beam if a car overtakes you or for oncoming traffic

https://dmv.dc.gov/service/aggressive-driving

Not verified: When headlights must be on; Visibility rule; Wipers rule; Dimming: oncoming traffic; Dimming: following traffic; Penalty excerpt, see cited section.

Florida: official source excerpts

When headlights must be onAt any time from sunset to sunrise including the twilight hours.

https://www.leg.state.fl.us/statutes/index.cfm?App_mode=Display_Statute&URL=0300-0399/0316/Sections/0316.217.html

When headlights must be onDuring any rain, smoke, or fog.

https://www.leg.state.fl.us/statutes/index.cfm?App_mode=Display_Statute&URL=0300-0399/0316/Sections/0316.217.html

Dimming: oncoming trafficapproaches an oncoming vehicle within 500 feet

https://www.leg.state.fl.us/statutes/index.cfm?App_mode=Display_Statute&URL=0300-0399/0316/Sections/0316.238.html

Dimming: following trafficapproaches another vehicle from the rear within 300 feet

https://www.leg.state.fl.us/statutes/index.cfm?App_mode=Display_Statute&URL=0300-0399/0316/Sections/0316.238.html

Penalty excerpt, see cited sectionA violation of this section is a noncriminal traffic infraction, punishable as a moving violation as provided in chapter 318.

https://www.leg.state.fl.us/statutes/index.cfm?App_mode=Display_Statute&URL=0300-0399/0316/Sections/0316.217.html

Not verified: Visibility rule; Wipers rule; Tunnels, work zones and other source notes.

Georgia: official source excerpts

When headlights must be onbetween one-half hour after sunset to one-half hour before sunrise

https://dds.georgia.gov/drivers-manual

When headlights must be onat any time when it is raining; or when visibility is limited.

https://dds.georgia.gov/drivers-manual

Dimming: oncoming trafficYou are within 500 feet of an approaching vehicle so as not to blind the driver;

https://dds.georgia.gov/drivers-manual

Not verified: Visibility rule; Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Hawaii: official source excerpts

When headlights must be onFrom thirty minutes after sunset until thirty minutes before sunrise

https://www.capitol.hawaii.gov/hrscurrent/Vol05_Ch0261-0319/HRS0291/HRS_0291-0025.htm

Verified copy: https://web.archive.org/web/20250502031949id_/https://www.capitol.hawaii.gov/hrscurrent/vol05_ch0261-0319/HRS0291/HRS_0291-0025.htm

Tunnels, work zones and other source notesDo not use your high beam head lamps when approaching or following other vehicles.

https://hidot.hawaii.gov/highways/files/2024/11/2023-Hawaii-Drivers-Manual_5.375x8.375_Final-r3-Digital-071924web.pdf

Not verified: Visibility rule; Wipers rule; Dimming: oncoming traffic; Dimming: following traffic; Penalty excerpt, see cited section.

Idaho: official source excerpts

When headlights must be onHeadlamps and tail lamps must be lighted from sunset to sunrise and when poor visibility makes them necessary for safety.

https://itd.idaho.gov/wp-content/uploads/2025/10/driver_manual.pdf

Verified copy: https://itd.idaho.gov/wp-content/uploads/2026/04/driver_manual.pdf

Visibility rulewhen vision is reduced to 500 feet or less

https://itd.idaho.gov/wp-content/uploads/2025/10/driver_manual.pdf

Verified copy: https://itd.idaho.gov/wp-content/uploads/2026/04/driver_manual.pdf

Dimming: oncoming trafficHeadlamps must be dimmed 500 feet before meeting and 200 feet before overtaking another vehicle.

https://itd.idaho.gov/wp-content/uploads/2025/10/driver_manual.pdf

Verified copy: https://itd.idaho.gov/wp-content/uploads/2026/04/driver_manual.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Illinois: official source excerpts

When headlights must be onduring the period from sunset to sunrise

https://www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-201

Verified copy: https://web.archive.org/web/20250307100503id_/https://ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-201

Visibility rulepersons and vehicles on the highway are not clearly discernible at a distance of 1000 feet

https://www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-201

Verified copy: https://web.archive.org/web/20250307100503id_/https://ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-201

Wipers ruleat times when rain, snow, fog, or other atmospheric conditions require the use of windshield wipers

https://www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-201

Verified copy: https://web.archive.org/web/20250307100503id_/https://ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-201

Dimming: oncoming trafficwithin 500 feet of another vehicle approaching from the opposite direction

https://www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-210

Verified copy: https://web.archive.org/web/20250506050615id_/https://ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-210

Dimming: following trafficanother vehicle traveling in the same direction less than 300 feet to the front of him

https://www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-210

Verified copy: https://web.archive.org/web/20250506050615id_/https://ilga.gov/legislation/ilcs/fulltext.asp?DocName=062500050K12-210

Not verified: Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Indiana: official source excerpts

When headlights must be onDrivers must use headlights between sunset and sunrise

https://www.in.gov/bmv/licenses-permits-ids/files/Drivers_Manual_Chapter_7.pdf

Dimming: oncoming trafficapproaching within 500 feet of an oncoming vehicle

https://www.in.gov/bmv/licenses-permits-ids/files/Drivers_Manual_Chapter_7.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Iowa: official source excerpts

When headlights must be onat any time from sunset to sunrise

https://www.legis.iowa.gov/docs/code/321.384.pdf

Visibility rulewhen conditions such as fog, snow, sleet, or rain provide insufficient lighting to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet ahead

https://www.legis.iowa.gov/docs/code/321.384.pdf

Dimming: oncoming trafficapproaches an oncoming vehicle within one thousand feet

https://www.legis.iowa.gov/docs/code/321.415.pdf

Dimming: following trafficfollows another vehicle within four hundred feet to the rear, except when engaged in the act of overtaking and passing

https://www.legis.iowa.gov/docs/code/321.415.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Kansas: official source excerpts

When headlights must be onFrom sunset to sunrise;

https://www.kslegislature.gov/li/b2025_26/statute/008_000_0000_chapter/008_017_0000_article/008_017_0003_section/008_017_0003_k/

Verified copy: https://www.kslegislature.gov/b2025_26/laws/008_000_0000_chapter/008_017_0000_article/008_017_0003_section/008_017_0003_k/

Visibility rulepersons and vehicles on the highway are not clearly discernible at a distance of 1,000 feet ahead

https://www.kslegislature.gov/li/b2025_26/statute/008_000_0000_chapter/008_017_0000_article/008_017_0003_section/008_017_0003_k/

Verified copy: https://www.kslegislature.gov/b2025_26/laws/008_000_0000_chapter/008_017_0000_article/008_017_0003_section/008_017_0003_k/

Wipers rulewhen windshield wipers are in continuous use as a result of rain, sleet or snow

https://www.kslegislature.gov/li/b2025_26/statute/008_000_0000_chapter/008_017_0000_article/008_017_0003_section/008_017_0003_k/

Verified copy: https://www.kslegislature.gov/b2025_26/laws/008_000_0000_chapter/008_017_0000_article/008_017_0003_section/008_017_0003_k/

Dimming: oncoming trafficapproaches an oncoming vehicle within 500 feet

https://www.kslegislature.gov/li/b2025_26/statute/008_000_0000_chapter/008_017_0000_article/008_017_0025_section/008_017_0025_k/

Verified copy: https://www.kslegislature.gov/b2025_26/laws/008_000_0000_chapter/008_017_0000_article/008_017_0025_section/008_017_0025_k/

Dimming: following trafficapproaches another vehicle from the rear, within 300 feet, except when engaged in the act of overtaking and passing

https://www.kslegislature.gov/li/b2025_26/statute/008_000_0000_chapter/008_017_0000_article/008_017_0025_section/008_017_0025_k/

Verified copy: https://www.kslegislature.gov/b2025_26/laws/008_000_0000_chapter/008_017_0000_article/008_017_0025_section/008_017_0025_k/

Penalty excerpt, see cited sectionLaw enforcement officers shall issue a warning citation to anyone violating subsection (a)(3).

https://www.kslegislature.gov/li/b2025_26/statute/008_000_0000_chapter/008_017_0000_article/008_017_0003_section/008_017_0003_k/

Verified copy: https://www.kslegislature.gov/b2025_26/laws/008_000_0000_chapter/008_017_0000_article/008_017_0003_section/008_017_0003_k/

Not verified: Tunnels, work zones and other source notes.

Kentucky: official source excerpts

When headlights must be onDuring the period from one-half (1/2) hour after sunset to one-half (1/2) hour before sunrise;

https://apps.legislature.ky.gov/law/statutes/statute.aspx?id=6296

Visibility ruleAt such other times as atmospheric conditions render visibility as low as or lower than is ordinarily the case during that period.

https://apps.legislature.ky.gov/law/statutes/statute.aspx?id=6296

Dimming: oncoming trafficapproaches an oncoming vehicle within five hundred (500) feet

https://apps.legislature.ky.gov/law/statutes/statute.aspx?id=46291

Dimming: following trafficfollows another vehicle within three hundred (300) feet to the rear, except when engaged in the act of overtaking and passing

https://apps.legislature.ky.gov/law/statutes/statute.aspx?id=46291

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Louisiana: official source excerpts

When headlights must be onAt any time between sunset and sunrise.

https://www.legis.la.gov/legis/Law.aspx?d=88240

Visibility ruleWhen, due to insufficient light or unfavorable atmospheric conditions, persons and vehicles on the highway are not clearly discernable at a distance of five hundred feet ahead.

https://www.legis.la.gov/legis/Law.aspx?d=88240

Wipers ruleWhen moisture in the air or precipitation necessitates the continuous use of windshield wipers.

https://www.legis.la.gov/legis/Law.aspx?d=88240

Dimming: oncoming trafficapproaches an oncoming vehicle within 500 feet

https://www.legis.la.gov/Legis/Law.aspx?d=88264

Dimming: following trafficfollows another vehicle within 200 feet to the rear, except when engaged in the act of overtaking or passing

https://www.legis.la.gov/Legis/Law.aspx?d=88264

Penalty excerpt, see cited sectionAny person found in violation of Subsection A of this Section may be fined not more than twenty-five dollars. No court costs shall be assessed in addition to the fine authorized by this Section. Violations of the provisions of this Section shall not be considered moving violations.

https://www.legis.la.gov/legis/Law.aspx?d=88240

Tunnels, work zones and other source notesWhile driving in a tunnel.

https://www.legis.la.gov/legis/Law.aspx?d=88240

Maine: official source excerpts

When headlights must be onDuring the period from sunset to sunrise;

https://legislature.maine.gov/statutes/29-A/title29-Asec2067.html

Visibility ruleAt any time when, due to insufficient light or unfavorable atmospheric conditions, including, but not limited to, rain, freezing rain, fog or snow, persons or vehicles on the way are not discernible for a distance of 1,000 feet ahead;

https://legislature.maine.gov/statutes/29-A/title29-Asec2067.html

Wipers ruleAt any time when windshield wipers are in constant use.

https://legislature.maine.gov/statutes/29-A/title29-Asec2067.html

Dimming: oncoming trafficapproaches an oncoming vehicle within 500 feet

https://legislature.maine.gov/statutes/29-A/title29-Asec2067.html

Not verified: Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Maryland: official source excerpts

Visibility rulepersons and vehicles on the highway are not clearly discernible at a distance of 1,000 feet ahead

https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=gtr&section=22-201.1&enactments=false

Wipers ruleif a driver of a vehicle on a highway operates the vehicle's windshield wipers for a continuous period of time because of impaired visibility resulting from unfavorable atmospheric conditions, the driver shall light the vehicle's headlamps.

https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=gtr&section=22-201.2&enactments=false

Dimming: oncoming trafficapproaches an oncoming vehicle within 500 feet

https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=gtr&section=22-223&enactments=false

Dimming: following trafficapproaches another vehicle from the rear, within 300 feet

https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=gtr&section=22-223&enactments=false

Penalty excerpt, see cited sectionA violation of this section is not considered a moving violation

https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=gtr&section=22-201.2&enactments=false

Not verified: When headlights must be on; Tunnels, work zones and other source notes.

Massachusetts: official source excerpts

When headlights must be onduring the period of 1/2 hour after sunset to 1/2 hour before sunrise

https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXIV/Chapter85/Section15

Verified copy: https://web.archive.org/web/20250902230036id_/https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXIV/Chapter85/Section15

Visibility rulevisibility is reduced such that persons or vehicles on the roadway are not clearly discernible at a distance of 500 feet

https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXIV/Chapter85/Section15

Verified copy: https://web.archive.org/web/20250902230036id_/https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXIV/Chapter85/Section15

Wipers rulewhen the vehicle's windshield wipers are needed

https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXIV/Chapter85/Section15

Verified copy: https://web.archive.org/web/20250902230036id_/https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXIV/Chapter85/Section15

Not verified: Dimming: oncoming traffic; Dimming: following traffic; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Michigan: official source excerpts

When headlights must be onat any time from a half hour after sunset to a half hour before sunrise

https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-257-684

Verified copy: https://web.archive.org/web/20251107094005id_/https://www.legislature.mi.gov/Laws/MCL?objectName=MCL-257-684

Visibility rulewhen there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of 500 feet ahead

https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-257-684

Verified copy: https://web.archive.org/web/20251107094005id_/https://www.legislature.mi.gov/Laws/MCL?objectName=MCL-257-684

Not verified: Wipers rule; Dimming: oncoming traffic; Dimming: following traffic; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Minnesota: official source excerpts

When headlights must be onat any time from sunset to sunrise;

https://www.revisor.mn.gov/statutes/cite/169.48

When headlights must be onat any time when it is raining, snowing, sleeting, or hailing;

https://www.revisor.mn.gov/statutes/cite/169.48

Visibility rulethere is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of 500 feet ahead

https://www.revisor.mn.gov/statutes/cite/169.48

Dimming: oncoming trafficapproaches a vehicle within 1,000 feet

https://www.revisor.mn.gov/statutes/cite/169.61

Dimming: following trafficfollows another vehicle within 200 feet to the rear, except when engaged in the act of overtaking and passing

https://www.revisor.mn.gov/statutes/cite/169.61

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Mississippi: official source excerpts

When headlights must be onYou should use your lights between sunset and sunrise

https://www.driverservicebureau.dps.ms.gov/sites/default/files/2025-02/1.15.2025%20Revised%20MDPS%20Driver%27s%20Manual.pdf

Dimming: oncoming trafficYou are required by law to use your low beams when you approach within five hundred feet of an oncoming vehicle or when you are following within five hundred feet of another vehicle.

https://www.driverservicebureau.dps.ms.gov/sites/default/files/2025-02/1.15.2025%20Revised%20MDPS%20Driver%27s%20Manual.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Missouri: official source excerpts

When headlights must be onat any time from a half-hour after sunset to a half-hour before sunrise

https://revisor.mo.gov/main/OneSection.aspx?section=307.020

Visibility rulewhen there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet ahead

https://revisor.mo.gov/main/OneSection.aspx?section=307.020

Wipers ruleLighted lamps shall also be required any time the weather conditions require usage of the motor vehicle's windshield wipers to operate the vehicle in a careful and prudent manner as defined in section 304.012 .

https://revisor.mo.gov/main/OneSection.aspx?section=307.020

Dimming: oncoming trafficapproaches an oncoming vehicle within five hundred feet

https://revisor.mo.gov/main/OneSection.aspx?section=307.070

Dimming: following trafficis within three hundred feet to the rear of another vehicle traveling in the same direction

https://revisor.mo.gov/main/OneSection.aspx?section=307.070

Penalty excerpt, see cited sectionviolation of this section is an infraction.

https://revisor.mo.gov/main/OneSection.aspx?section=307.070

Not verified: Tunnels, work zones and other source notes.

Montana: official source excerpts

When headlights must be onat any time from one-half hour after sunset to one-half hour before sunrise

https://archive.legmt.gov/bills/mca/title_0610/chapter_0090/part_0020/section_0010/0610-0090-0020-0010.html

Verified copy: https://mca.legmt.gov/bills/mca/title_0610/chapter_0090/part_0020/section_0010/0610-0090-0020-0010.html

Visibility rulepersons and vehicles on the highway are not clearly discernible at a distance of 500 feet ahead

https://archive.legmt.gov/bills/mca/title_0610/chapter_0090/part_0020/section_0010/0610-0090-0020-0010.html

Verified copy: https://mca.legmt.gov/bills/mca/title_0610/chapter_0090/part_0020/section_0010/0610-0090-0020-0010.html

Dimming: oncoming trafficapproaches an oncoming vehicle within 1,000 feet

https://archive.legmt.gov/bills/mca/title_0610/chapter_0090/part_0020/section_0210/0610-0090-0020-0210.html

Verified copy: https://mca.legmt.gov/bills/mca/title_0610/chapter_0090/part_0020/section_0210/0610-0090-0020-0210.html

Dimming: following trafficfollows another vehicle within 500 feet to the rear

https://archive.legmt.gov/bills/mca/title_0610/chapter_0090/part_0020/section_0210/0610-0090-0020-0210.html

Verified copy: https://mca.legmt.gov/bills/mca/title_0610/chapter_0090/part_0020/section_0210/0610-0090-0020-0210.html

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Nebraska: official source excerpts

When headlights must be onHeadlights must be used from sunset to sunrise.

https://dmv.nebraska.gov/sites/dmv.nebraska.gov/files/doc/manuals/engdrivermanual.pdf

Verified copy: https://dmv.nebraska.gov/sites/default/files/engdrivermanual.pdf

Dimming: following trafficDim headlights when following within 200 feet of another vehicle, and when meeting oncoming vehicles.

https://dmv.nebraska.gov/sites/dmv.nebraska.gov/files/doc/manuals/engdrivermanual.pdf

Verified copy: https://dmv.nebraska.gov/sites/default/files/engdrivermanual.pdf

Not verified: Visibility rule; Wipers rule; Dimming: oncoming traffic; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Nevada: official source excerpts

When headlights must be onFrom a half hour after sunset until a half hour before sunrise.

https://dmv.nv.gov/pdfforms/dlbook.pdf

Visibility ruleWhenever persons or vehicles cannot be clearly seen at a distance of 1,000 feet.

https://dmv.nv.gov/pdfforms/dlbook.pdf

Dimming: oncoming trafficChange to low beams when you are at least 500 feet before any oncoming vehicles and 300 feet before any vehicle you are following.

https://dmv.nv.gov/pdfforms/dlbook.pdf

Tunnels, work zones and other source notesWhen directed by an official traffic control device.

https://dmv.nv.gov/pdfforms/dlbook.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section.

New Hampshire: official source excerpts

When headlights must be onduring the period from 1/2 hour after sunset to 1/2 hour before sunrise

https://gc.nh.gov/rsa/html/XXI/266/266-mrg.htm

Verified copy: https://web.archive.org/web/20250924221935id_/https://gc.nh.gov/rsa/html/XXI/266/266-mrg.htm

Not verified: Wipers rule; Dimming: oncoming traffic; Dimming: following traffic; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

New Jersey: official source excerpts

When headlights must be onHeadlights must be used between one-half hour after sunset and one-half hour before sunrise.

https://www.nj.gov/mvc/pdf/license/drivermanual.pdf

Verified copy: https://web.archive.org/web/20250902080245id_/https://nj.gov/mvc/pdf/license/drivermanual.pdf

Visibility ruleHeadlights must also be used when visibility is 500 feet or less

https://www.nj.gov/mvc/pdf/license/drivermanual.pdf

Verified copy: https://web.archive.org/web/20250902080245id_/https://nj.gov/mvc/pdf/license/drivermanual.pdf

Tunnels, work zones and other source notesDim beams are used when traveling behind other vehicles or when another vehicle is approaching.

https://www.nj.gov/mvc/pdf/license/drivermanual.pdf

Verified copy: https://web.archive.org/web/20250902080245id_/https://nj.gov/mvc/pdf/license/drivermanual.pdf

Not verified: Dimming: oncoming traffic; Dimming: following traffic; Penalty excerpt, see cited section.

New Mexico: official source excerpts

When headlights must be onTurn on your headlights when it begins to get dark.

https://www.mvd.newmexico.gov/wp-content/uploads/2020/12/English-Drivers-Manualver11.19.19.pdf

Verified copy: https://web.archive.org/web/20250607015613id_/https://www.mvd.newmexico.gov/wp-content/uploads/2020/12/English-Drivers-Manualver11.19.19.pdf

Dimming: oncoming trafficDim your high beams whenever you come within about a one-block distance of an oncoming vehicle.

https://www.mvd.newmexico.gov/wp-content/uploads/2020/12/English-Drivers-Manualver11.19.19.pdf

Verified copy: https://web.archive.org/web/20250607015613id_/https://www.mvd.newmexico.gov/wp-content/uploads/2020/12/English-Drivers-Manualver11.19.19.pdf

Dimming: following trafficUse your low beams within 200 feet when following another vehicle or when in heavy traffic.

https://www.mvd.newmexico.gov/wp-content/uploads/2020/12/English-Drivers-Manualver11.19.19.pdf

Verified copy: https://web.archive.org/web/20250607015613id_/https://www.mvd.newmexico.gov/wp-content/uploads/2020/12/English-Drivers-Manualver11.19.19.pdf

Not verified: Visibility rule; Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

New York: official source excerpts

When headlights must be onfrom one-half hour after the sun sets to one-half hour before the sun rises

https://dmv.ny.gov/new-york-state-drivers-manual-and-practice-tests/chapter-10-special-driving-conditions

Verified copy: https://web.archive.org/web/20250927014458id_/https://dmv.ny.gov/new-york-state-drivers-manual-and-practice-tests/chapter-10-special-driving-conditions

Dimming: oncoming trafficwithin 500 feet (150 m) of an oncoming vehicle

https://dmv.ny.gov/new-york-state-drivers-manual-and-practice-tests/chapter-10-special-driving-conditions

Verified copy: https://web.archive.org/web/20250927014458id_/https://dmv.ny.gov/new-york-state-drivers-manual-and-practice-tests/chapter-10-special-driving-conditions

Not verified: Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

North Carolina: official source excerpts

When headlights must be onfrom sunset to sunrise

https://www.ncdot.gov/initiatives-policies/safety/driving-safety/Pages/driving-laws.aspx

Not verified: Dimming: oncoming traffic; Dimming: following traffic; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

North Dakota: official source excerpts

When headlights must be onAt any time from sunset to sunrise

https://ndlegis.gov/cencode/t39c21.pdf

Visibility rulewhen there is insufficient light to render a person or vehicle on the highway clearly discernible at a distance of one thousand feet [304.8 meters] ahead

https://ndlegis.gov/cencode/t39c21.pdf

Dimming: oncoming trafficapproaches an oncoming vehicle within five hundred feet [152.4 meters]

https://ndlegis.gov/cencode/t39c21.pdf

Dimming: following trafficfollows another vehicle within three hundred feet [91.44 meters] to the rear

https://ndlegis.gov/cencode/t39c21.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Ohio: official source excerpts

When headlights must be onThe time from sunset to sunrise;

https://codes.ohio.gov/ohio-revised-code/section-4513.03

Verified copy: https://web.archive.org/web/20250905072951id_/https://codes.ohio.gov/ohio-revised-code/section-4513.03

Visibility rulepersons, vehicles, and substantial objects on the highway are not discernible at a distance of one thousand feet ahead;

https://codes.ohio.gov/ohio-revised-code/section-4513.03

Verified copy: https://web.archive.org/web/20250905072951id_/https://codes.ohio.gov/ohio-revised-code/section-4513.03

Wipers ruleAt any time when the windshield wipers of the vehicle are in use because of precipitation on the windshield.

https://codes.ohio.gov/ohio-revised-code/section-4513.03

Verified copy: https://web.archive.org/web/20250905072951id_/https://codes.ohio.gov/ohio-revised-code/section-4513.03

Dimming: oncoming trafficWhenever the driver of a vehicle approaches an oncoming vehicle, such driver shall use a distribution of light, or composite beam, so aimed that the glaring rays are not projected into the eyes of the oncoming driver.

https://codes.ohio.gov/ohio-revised-code/section-4513.15

Verified copy: https://web.archive.org/web/20250912013124id_/https://codes.ohio.gov/ohio-revised-code/section-4513.15

Not verified: Dimming: following traffic; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Oklahoma: official source excerpts

When headlights must be onAt any time from one-half (1/2) hour after sunset to one-half (1/2) hour before sunrise

https://oksenate.gov/sites/default/files/2019-12/os47.pdf

Visibility rulepersons and vehicles on the highway are not clearly discernible at a distance of one thousand (1,000) feet or less

https://oksenate.gov/sites/default/files/2019-12/os47.pdf

Dimming: oncoming trafficapproaches an oncoming vehicle within one thousand (1,000) feet

https://oksenate.gov/sites/default/files/2019-12/os47.pdf

Dimming: following trafficfollows another vehicle within six hundred (600) feet to the rear

https://oksenate.gov/sites/default/files/2019-12/os47.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Oregon: official source excerpts

When headlights must be onAny time from sunset to sunrise;

https://www.oregonlegislature.gov/bills_laws/ors/ors801.html

Verified copy: https://web.archive.org/web/20250901114823id_/https://www.oregonlegislature.gov/bills_laws/ors/ors801.html

Dimming: oncoming trafficapproaches an oncoming vehicle within 500 feet

https://www.oregonlegislature.gov/bills_laws/ors/ors811.html

Verified copy: https://web.archive.org/web/20250907065459id_/https://www.oregonlegislature.gov/bills_laws/ors/ors811.html

Dimming: following trafficExcept when in the act of overtaking or passing, a driver of a vehicle following another vehicle within 350 feet to the rear must use the low beams of the vehicle headlight system.

https://www.oregonlegislature.gov/bills_laws/ors/ors811.html

Verified copy: https://web.archive.org/web/20250907065459id_/https://www.oregonlegislature.gov/bills_laws/ors/ors811.html

Tunnels, work zones and other source notesany lighting equipment a vehicle is required to be equipped with under ORS 816.040 to 816.290 must be displayed when the vehicle is upon a highway within this state at any time limited visibility conditions exist.

https://www.oregonlegislature.gov/bills_laws/ors/ors811.html

Verified copy: https://web.archive.org/web/20250907065459id_/https://www.oregonlegislature.gov/bills_laws/ors/ors811.html

Not verified: Wipers rule; Penalty excerpt, see cited section.

Pennsylvania: official source excerpts

When headlights must be onBetween sunset and sunrise.

https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bdl/bdl-manuals/pa-drivers-manual-non-commercial/english/pub%2095.pdf

Visibility ruleWhen they cannot see pedestrians or vehicles on the highway for a distance of 1,000 feet ahead of the vehicle they are operating.

https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bdl/bdl-manuals/pa-drivers-manual-non-commercial/english/pub%2095.pdf

Wipers ruleAnytime your vehicle's wipers are in continuous or intermittent use due to weather conditions.

https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bdl/bdl-manuals/pa-drivers-manual-non-commercial/english/pub%2095.pdf

Dimming: oncoming trafficPennsylvania law requires you use low beams whenever you are within 500 feet of an oncoming vehicle and when you are following a vehicle within 300 feet.

https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bdl/bdl-manuals/pa-drivers-manual-non-commercial/english/pub%2095.pdf

Penalty excerpt, see cited sectionState law calls for fines beginning at $25

https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bdl/bdl-manuals/pa-drivers-manual-non-commercial/english/pub%2095.pdf

Tunnels, work zones and other source notesWhen driving through work zones.

https://www.pa.gov/content/dam/copapwp-pagov/en/penndot/documents/public/dvspubsforms/bdl/bdl-manuals/pa-drivers-manual-non-commercial/english/pub%2095.pdf

Rhode Island: official source excerpts

When headlights must be onwhen driving from sunset to sunrise

https://dmv.ri.gov/media/966/download?language=en

Verified copy: https://web.archive.org/web/20250930200544id_/https://dmv.ri.gov/media/966/download?language=en

Wipers rulewhen windshield wipers are in use as a result of rain, sleet, snow, etc.

https://dmv.ri.gov/media/966/download?language=en

Verified copy: https://web.archive.org/web/20250930200544id_/https://dmv.ri.gov/media/966/download?language=en

Dimming: oncoming traffica distance of at least 500 feet ahead when approaching another vehicle

https://dmv.ri.gov/media/966/download?language=en

Verified copy: https://web.archive.org/web/20250930200544id_/https://dmv.ri.gov/media/966/download?language=en

Dimming: following trafficWhen following another vehicle at a distance of 200 feet or less, dim your high beam headlights so that they will not distract or blind the driver ahead.

https://dmv.ri.gov/media/966/download?language=en

Verified copy: https://web.archive.org/web/20250930200544id_/https://dmv.ri.gov/media/966/download?language=en

Not verified: Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

South Carolina: official source excerpts

When headlights must be onfrom a half hour after sunset to a half hour before sunrise

https://www.scstatehouse.gov/code/t56c005.php

Visibility rulewhen inclement weather or environmental factors severely reduce the ability to clearly discern persons and vehicles on the street or highway at a distance of five hundred feet ahead

https://www.scstatehouse.gov/code/t56c005.php

Wipers rulewhen windshield wipers are in use as a result of rain, sleet, or snow

https://www.scstatehouse.gov/code/t56c005.php

Wipers rulethe provisions of this section requiring use of lights in conjunction with the use of windshield wipers shall not apply to instances when windshield wipers are used intermittently in misting rain, sleet, or snow.

https://www.scstatehouse.gov/code/t56c005.php

Dimming: oncoming trafficapproaches an oncoming vehicle within five hundred feet

https://www.scstatehouse.gov/code/t56c005.php

Dimming: following trafficfollows another vehicle within two hundred feet to the rear, except when engaged in the act of overtaking and passing

https://www.scstatehouse.gov/code/t56c005.php

Penalty excerpt, see cited sectionAny person who violates this section is guilty of a misdemeanor and, upon conviction, may be fined up to twenty-five dollars.

https://www.scstatehouse.gov/code/t56c005.php

Not verified: Tunnels, work zones and other source notes.

South Dakota: official source excerpts

When headlights must be onduring the period from sunset to sunrise

https://sdlegislature.gov/api/Statutes/32-17-4.html

Penalty excerpt, see cited sectionA violation of this section is a Class 2 misdemeanor.

https://sdlegislature.gov/api/Statutes/32-17-4.html

Tunnels, work zones and other source notesWhenever a motor vehicle meets another vehicle or overtakes another vehicle proceeding in the same direction on any highway, the driver shall tilt the beams of the headlamps downward

https://sdlegislature.gov/api/Statutes/32-17-7.html

Not verified: Wipers rule; Dimming: oncoming traffic; Dimming: following traffic.

Tennessee: official source excerpts

When headlights must be onYour car headlights must be turned on 30 minutes after sunset until 30 minutes before sunrise.

https://www.tn.gov/content/dam/tn/safety/documents/DL_Manual.pdf

Verified copy: https://web.archive.org/web/20251001130127id_/https://www.tn.gov/content/dam/tn/safety/documents/DL_Manual.pdf

Visibility ruleAt any time when daylight is not good enough for you to see persons or vehicles clearly at a distance of 200 feet ahead;

https://www.tn.gov/content/dam/tn/safety/documents/DL_Manual.pdf

Verified copy: https://web.archive.org/web/20251001130127id_/https://www.tn.gov/content/dam/tn/safety/documents/DL_Manual.pdf

Wipers ruleWhen rain, mist, snow, or other precipitation requires constant use of windshield wipers.

https://www.tn.gov/content/dam/tn/safety/documents/DL_Manual.pdf

Verified copy: https://web.archive.org/web/20251001130127id_/https://www.tn.gov/content/dam/tn/safety/documents/DL_Manual.pdf

Dimming: oncoming trafficwhen an oncoming vehicle is within 500 feet (approximately the distance of one city block)

https://www.tn.gov/content/dam/tn/safety/documents/DL_Manual.pdf

Verified copy: https://web.archive.org/web/20251001130127id_/https://www.tn.gov/content/dam/tn/safety/documents/DL_Manual.pdf

Not verified: Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Texas: official source excerpts

When headlights must be onat nighttime;

https://statutes.capitol.texas.gov/Docs/TN/htm/TN.547.htm

Verified copy: https://web.archive.org/web/20250926180429id_/https://statutes.capitol.texas.gov/Docs/TN/htm/TN.547.htm

When headlights must be onthe period beginning one-half hour after sunset and ending one-half hour before sunrise.

https://statutes.capitol.texas.gov/Docs/TN/htm/TN.541.htm

Verified copy: https://web.archive.org/web/20251002144156id_/https://statutes.capitol.texas.gov/Docs/TN/htm/TN.541.htm

Dimming: oncoming traffican operator approaching an oncoming vehicle within 500 feet

https://statutes.capitol.texas.gov/Docs/TN/htm/TN.547.htm

Verified copy: https://web.archive.org/web/20250926180429id_/https://statutes.capitol.texas.gov/Docs/TN/htm/TN.547.htm

Dimming: following traffican operator approaching a vehicle from the rear within 300 feet

https://statutes.capitol.texas.gov/Docs/TN/htm/TN.547.htm

Verified copy: https://web.archive.org/web/20250926180429id_/https://statutes.capitol.texas.gov/Docs/TN/htm/TN.547.htm

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Utah: official source excerpts

When headlights must be onfrom sunset to sunrise;

https://le.utah.gov/xcode/Title41/Chapter6a/C41-6a_1800010118000101.pdf

Verified copy: https://web.archive.org/web/20260412060304id_/https://le.utah.gov/xcode/title41/chapter6a/C41-6a_1800010118000101.pdf

Visibility rulewhen persons and vehicles on the highway are not clearly discernible at a distance of 1,000 feet ahead due to: (A) insufficient light; or (B) unfavorable atmospheric conditions.

https://le.utah.gov/xcode/Title41/Chapter6a/C41-6a_1800010118000101.pdf

Verified copy: https://web.archive.org/web/20260412060304id_/https://le.utah.gov/xcode/title41/chapter6a/C41-6a_1800010118000101.pdf

Dimming: oncoming traffican oncoming vehicle within 500 feet;

https://le.utah.gov/xcode/Title41/Chapter6a/C41-6a_1800010118000101.pdf

Verified copy: https://web.archive.org/web/20260412060304id_/https://le.utah.gov/xcode/title41/chapter6a/C41-6a_1800010118000101.pdf

Dimming: following trafficanother vehicle from the rear within 300 feet.

https://le.utah.gov/xcode/Title41/Chapter6a/C41-6a_1800010118000101.pdf

Verified copy: https://web.archive.org/web/20260412060304id_/https://le.utah.gov/xcode/title41/chapter6a/C41-6a_1800010118000101.pdf

Penalty excerpt, see cited sectionA violation of this section is an infraction.

https://le.utah.gov/xcode/Title41/Chapter6a/C41-6a_1800010118000101.pdf

Verified copy: https://web.archive.org/web/20260412060304id_/https://le.utah.gov/xcode/title41/chapter6a/C41-6a_1800010118000101.pdf

Tunnels, work zones and other source notesAn operator of a vehicle driving with automated lights does not violate Subsection (1)(a) if: (i) the vehicle's automated light function is operable and engaged; and (ii) the automated feature has not been overridden or adjusted.

https://le.utah.gov/xcode/Title41/Chapter6a/C41-6a_1800010118000101.pdf

Verified copy: https://web.archive.org/web/20260412060304id_/https://le.utah.gov/xcode/title41/chapter6a/C41-6a_1800010118000101.pdf

Not verified: Wipers rule.

Vermont: official source excerpts

When headlights must be ona half hour after sunset to a half hour before sunrise

https://dmv.vermont.gov/sites/dmv/files/documents/VN-007-Drivers_Manual.pdf

Tunnels, work zones and other source notesWhen driving a motor vehicle at night, you should promptly dim your headlights when meeting or following another vehicle

https://dmv.vermont.gov/sites/dmv/files/documents/VN-007-Drivers_Manual.pdf

Not verified: Visibility rule; Wipers rule; Dimming: oncoming traffic; Dimming: following traffic; Penalty excerpt, see cited section.

Virginia: official source excerpts

When headlights must be onfrom sunset to sunrise;

https://law.lis.virginia.gov/vacode/title46.2/chapter10/section46.2-1030/

Visibility rulevisibility is reduced to a degree whereby persons or vehicles on the highway are not clearly discernible at a distance of 500 feet

https://law.lis.virginia.gov/vacode/title46.2/chapter10/section46.2-1030/

Wipers rulewhenever windshield wipers are in use as a result of fog, rain, sleet, or snow.

https://law.lis.virginia.gov/vacode/title46.2/chapter10/section46.2-1030/

Wipers ruleThe provisions of this subsection, however, shall not apply to instances when windshield wipers are used intermittently in misting rain, sleet, or snow.

https://law.lis.virginia.gov/vacode/title46.2/chapter10/section46.2-1030/

Dimming: oncoming trafficWhenever a vehicle approaches an oncoming vehicle within 500 feet

https://law.lis.virginia.gov/vacode/title46.2/chapter10/section46.2-1034/

Dimming: following trafficapproaches from the rear or follows within 200 feet of another vehicle proceeding in the same direction

https://law.lis.virginia.gov/vacode/title46.2/chapter10/section46.2-1034/

Not verified: Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Washington: official source excerpts

When headlights must be onat any time from a half hour after sunset to a half hour before sunrise

https://app.leg.wa.gov/RCW/default.aspx?cite=46.37.020

Visibility rulepersons and vehicles on the highway are not clearly discernible at a distance of one thousand feet ahead

https://app.leg.wa.gov/RCW/default.aspx?cite=46.37.020

Dimming: oncoming trafficapproaches an oncoming vehicle within five hundred feet

https://app.leg.wa.gov/RCW/default.aspx?cite=46.37.230

Dimming: following trafficapproaches another vehicle from the rear within three hundred feet

https://app.leg.wa.gov/RCW/default.aspx?cite=46.37.230

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

West Virginia: official source excerpts

When headlights must be onat any time from sunset to sunrise

https://code.wvlegislature.gov/17C-15-2/

Visibility rulewhen there is not sufficient light to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet ahead

https://code.wvlegislature.gov/17C-15-2/

Dimming: oncoming trafficapproaches an oncoming vehicle within five hundred feet

https://code.wvlegislature.gov/17C-15-21/

Dimming: following trafficfollows another vehicle within two hundred feet to the rear, except when engaged in the act of overtaking and passing

https://code.wvlegislature.gov/17C-15-21/

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Wisconsin: official source excerpts

When headlights must be onduring hours of darkness or during a period of limited visibility

https://docs.legis.wisconsin.gov/statutes/statutes/347/ii/06

Verified copy: https://web.archive.org/web/20251215171354id_/https://docs.legis.wisconsin.gov/statutes/statutes/347/ii/06

When headlights must be onfrom one-half hour after sunset to one-half hour before sunrise

https://docs.legis.wisconsin.gov/statutes/statutes/340/01/23

Verified copy: https://web.archive.org/web/20251226171218id_/https://docs.legis.wisconsin.gov/statutes/statutes/340/01/23

Dimming: oncoming trafficapproaches an oncoming vehicle within 500 feet

https://docs.legis.wisconsin.gov/statutes/statutes/347/ii/06

Verified copy: https://web.archive.org/web/20251215171354id_/https://docs.legis.wisconsin.gov/statutes/statutes/347/ii/06

Dimming: following trafficapproaches or follows another vehicle within 500 feet to the rear

https://docs.legis.wisconsin.gov/statutes/statutes/347/ii/06

Verified copy: https://web.archive.org/web/20251215171354id_/https://docs.legis.wisconsin.gov/statutes/statutes/347/ii/06

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Wyoming: official source excerpts

When headlights must be onat any time from one-half (1/2) hour after sunset to one-half (1/2) hour before sunrise

https://wyoleg.gov/statutes/compress/title31.pdf

Visibility rulepersons and vehicles on the highway are not clearly discernible at a distance of one thousand (1,000) feet ahead

https://wyoleg.gov/statutes/compress/title31.pdf

Dimming: oncoming trafficbefore coming within five hundred (500) feet of the oncoming vehicle

https://wyoleg.gov/statutes/compress/title31.pdf

Dimming: following trafficapproaches another vehicle within three hundred (300) feet from the rear

https://wyoleg.gov/statutes/compress/title31.pdf

Not verified: Wipers rule; Penalty excerpt, see cited section; Tunnels, work zones and other source notes.

Data as of October 4, 2026

Know what your car accident claim is worth before you answer

Your choice of attorney is the single largest variable in a car accident case. Lawyers who carry trial verdicts on their record shift insurer behavior before a demand letter is even drafted. The gap between a strong negotiator and a passive one can dwarf the difference between fee structures. Use our free estimator to see how qualified representation changes typical case ranges.

How this works

Three steps, no phone number required

Most people arrive here after an insurance adjuster has already named a figure. The point of this page is simple: give you an independent second number, and the reasoning behind it, before you answer.

Step 01

Gather what you can document

Medical bills and expected future care, wages you actually lost, repair or total-loss figures, and the out-of-pocket costs people usually forget, travel to appointments, braces and devices, paid help at home.

Step 02

Run the estimator

It applies the multiplier method adjusters commonly use to non-economic damages, then adjusts for your state's comparative-fault rule and the policy limit that actually caps most claims.

Step 03

Take the range to a licensed attorney

The output is a discussion range, never a valuation. Bring it to a lawyer licensed in your state, most personal-injury consultations are free and fees are contingent, and let them price the parts a calculator cannot see.

By situation

Guides for your situation

Fault rules, insurance layers and typical evidence differ sharply between these. Start with the one that matches your facts.

Claim Process With the Right Lawyer

Step-by-step claim filing with qualified legal representation guiding each phase.

Settlement Timeline Explained

How long car accident settlements take and what affects the schedule.

First 72 Hours After a Car Accident

Critical early steps that protect your case and preserve evidence.

Insurance Tactics Your Lawyer Should Counter

How insurers reduce payouts and what competent counsel does about it.

By state

State rules that change what a claim is worth

Comparative fault, filing deadlines, damage caps, minimum liability limits and no-fault requirements are all set state by state. Pick yours.

Legal notice

BestCarAccidentLawyer.us is an informational website, not a law firm. It is operated by Mustafa Bilgic, an individual who is not a licensed attorney. Nothing here is legal advice, nothing creates an attorney-client relationship, and no calculator output is a valuation or an offer.

We do not take cases, review documents, contact insurers or refer you to a particular lawyer. Deadlines and fault rules vary by state and a missed deadline can end a valid claim permanently, consult a licensed attorney in your state before you accept, reject or file anything. Your state bar's referral service and the American Bar Association's Find Legal Help directory are independent starting points.

Questions

Questions people ask before they answer the adjuster

What does a contingency fee actually cost me?

Most car accident lawyers charge 33% if the case settles before filing suit and around 40% if litigation begins. You pay nothing upfront and owe no fee if there is no recovery. Case expenses, filing fees, expert charges, medical record retrieval, are typically advanced by the firm and deducted from the final settlement.

How can I tell if a lawyer has real trial experience?

Ask directly how many car accident cases they have tried to verdict in the past five years. Check their state bar profile for any disciplinary record. Look for reported verdicts or appellate decisions bearing their name. Insurers track which attorneys actually go to trial, and that history shapes every settlement offer.

Can I switch lawyers during my case?

Yes. You can change attorneys at any stage. Your former lawyer is entitled to compensation for work already performed, usually calculated on a quantum meruit basis. The two lawyers divide the contingency fee, you do not pay twice. Line up new counsel before terminating the current relationship so your case does not stall.

Should I speak with the other driver's insurer before hiring a lawyer?

Avoid it. Anything you say to the opposing insurer becomes part of the claim file and can be used to minimize your damages. A casual remark like 'I feel fine' may be cited weeks later to argue your injuries are minor. Let your attorney handle all insurer communication from the outset.

What is the deadline for filing a car accident claim?

Statutes of limitations are commonly two to three years, but your state's deadline controls, check immediately. Claims against government entities often carry far shorter notice windows, sometimes as brief as a few months. Missing the deadline forfeits your right to recover.

Published and maintained by

Mustafa Bilgic, independent operator, BestCarAccidentLawyer.us

Not an attorney and not affiliated with any law firm. Pages here summarise publicly available law, federal agency data and documented insurance practice, with sources listed on each page.

Sources used across this site: state comparative-fault statutes · Insurance Information Institute · Bureau of Labor Statistics · IRS Pub. 4345 · NHTSA
Last reviewed 2026-08-25.

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Sources and verification

Know what your car accident claim is worth before you answer

Car accident claim compensation estimator

Three steps, no phone number required

Gather what you can document

Run the estimator

Take the range to a licensed attorney

Guides for your situation

Claim Process With the Right Lawyer

Settlement Timeline Explained

First 72 Hours After a Car Accident

Insurance Tactics Your Lawyer Should Counter

State rules that change what a claim is worth

Questions people ask before they answer the adjuster