Hazard Light Use (Click here for Canada)

United States

Alabama

The use of hazard lights is permitted while driving unless otherwise posted.

Alaska

The use of hazard lights is not permitted while driving.

Arizona

Hazard light use is not permitted while driving except in an emergency situation.

Arkansas

Hazard light usage is not permitted while driving except to indicate a traffic hazard.

California

Hazard light use is not permitted while driving except to indicate a traffic hazard.

Colorado

Hazard light use is not permitted while driving except if the vehicle speed is 25 mph or less.

Connecticut

Hazard light use is permitted while driving unless otherwise posted.

Delaware

Hazard light use is not permitted while driving except to indicate a traffic hazard.

District of Columbia

Hazard light use is permitted while driving.

Florida

The use of hazard lights is not permitted while driving.

Georgia

The use of hazard lights is permitted while driving.

Hawaii

Hazard light use is not permitted while driving.

Idaho

Hazard light use is not permitted while driving except to indicate the presence of a vehicular traffic hazard requiring unusual care in approaching, overtaking or passing.

Illinois

The use of hazard lights is not permitted while driving.

Indiana

Hazard light use is not permitted while driving except in emergency situations.

Iowa

The use of hazard lights are not permitted while driving except to indicate a traffic hazard.

Kansas

Hazard light use is not permitted while driving.

Kentucky

Hazard light use is permitted while driving.

Louisiana

Hazard light use is not permitted while driving.

Maryland

Hazard light use is not permitted while driving except in emergency situations.

Massachusetts

Hazard light use is not permitted while driving.

Michigan

Hazard light use is permitted while driving.

Minnesota

Hazard lights are not permitted while driving except to indicate a traffic hazard.

Mississippi

Hazard light usage is permitted while driving.

Missouri

Hazard light usage is permitted while driving.

Maine

Hazard light use is not permitted while driving unless to indicate a traffic hazard.

Montana

Hazard lights are not permitted while driving except to indicate a traffic hazard.

Nebraska

Hazard light use is permitted while driving.

Nevada

Hazard light usage is not permitted while driving.

New Hampshire

Hazard light use is permitted while driving.

New Jersey

The use of hazard lights is not permitted while driving.

New Mexico

Hazard light use is not permitted while driving.

New York

Hazard light use is permitted while driving unless otherwise posted.

North Carolina

Hazard light use is permitted while driving unless otherwise posted.

North Dakota

Hazard light use is permitted while driving unless otherwise posted.

Ohio

Hazard light use is not permitted while driving except when a hazardous condition is present.

Oklahoma

Hazard light use is not permitted while driving except in emergency situations and to indicate a traffic hazard.

Oregon

Hazard light use is permitted while driving unless otherwise posted.

Pennsylvania

Hazard light use is permitted while driving.

Rhode Island

Hazard light use is not permitted while driving.

South Carolina

Hazard lights may be used while driving for the purpose of warning the operators of other vehicles of the presence of a vehicular traffic hazard requiring the exercise of unusual care in approaching, overtaking or passing.

South Dakota

Hazard light use is permitted while driving.

Tennessee

Hazard light use is not permitted while driving except in emergency situations.

Texas

Hazard light use is permitted while driving.

Utah

Hazard light use is permitted while driving.

Vermont

Hazard light use is permitted while driving.

Virginia

Hazard light use is not permitted while driving except for emergency vehicles, stopped or slowed vehicles to indicate a traffic hazard, when traveling as part of a funeral procession, or traveling slower than 30 mph.

Washington

Hazard light use is not permitted while driving except to indicate a traffic hazard.

West Virginia

Hazard lights are not permitted while driving except in emergency situations.

Wisconsin

Hazard lights are not permitted while driving except to indicate a traffic hazard or when a hazardous condition is present.

Wyoming

Hazard light use is permitted while driving.

Puerto Rico

Hazard light use is not permitted while driving.


Canada

Alberta

The use of hazard lights is required by passenger vehicles that are stationary on a highway outside of an urban area at night or when the vehicle is not visible from 150 meters distance.

British Columbia

Hazard lights may be used when operating a slow-moving vehicle or when a vehicle is disabled on the highway.

Manitoba

Hazard lights may be used when a motor vehicle is coming to a stop or standing on a highway or traveling at a speed less than 40 kph when it is necessary to do so for safe operation; and when the vehicle is again put in motion or resumes a speed up to 40 kph.

New Brunswick

Hazard lights are permitted only when a vehicle is parked on the highway or any portion thereof due to an emergency or under circumstances beyond the control of the driver.

Newfoundland and Labrador

Hazard light use is permitted while driving.

Northwest Territories

Hazard lights must be used when a vehicle is parked on a roadway under during the period from 1 hour after sunset to1 hour before sunrise or at any other time when conditions of poor visibility exist. A vehicle that is travelling at less than 40 km/h, owing to vehicle impairment, must have its hazard lights activated.

Nova Scotia

Hazard light use is permitted while driving.

Nunavut

Hazard lights are required to be activated when a driver parks a vehicle on a roadway during the period from 1/2 hour after sunset to 1/2 hour before sunrise or at any other time when conditions of poor visibility exist; or when the vehicle is travelling at less than 40 km/h due to vehicle impairment.

Ontario

There are no restrictions on hazard light use.

Prince Edward Island

Hazard lights may not be used on a highway when a vehicle is moving.

Quebec

Hazard light use is permitted only for safety reasons.

Saskatchewan

Hazard lights may not be used unless a vehicle is coming to a stop or is standing on a highway, it is necessary to do so for the safe operation of the vehicle, or the vehicle presents a hazard to other vehicles on the highway.

Yukon

Hazard light use is permitted while driving to indicate a hazard.