Vehicle Equipment and Rules

Alabama

Modification of original vehicle bumper height is permitted.


Alabama

Headlights are required to be on when wipers are in use or visibility is less than 500 feet, as well as 30 minutes after sunset and 30 minutes before sunrise.


Alabama

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


Alabama

Tire chain usage is permitted for hazardous weather or other related incidents only, but may not damage the highway surface.


Alabama

Studded tires are permitted at all times with rubber studs. Metal studs are permitted only during bad weather.


Alabama

Tinting of front windshield glass to reduce light transmission is not permitted, except for the upper 6 inches of the windshield.

For side windows or rear windshield, glass tinting that reduces light transmission to less than 32% or increases light reflectance to more than 20% is not permitted.  For SUVs, vans and trucks, the limit is 32% for the driver’s window and the front passenger window only.


Alabama

No television screen shall be located in front of driver’s seat or in a way to obstruct driver’s field of vision.


Alabama

Radar detectors are permitted for passenger vehicles but prohibited for use by commercial vehicles.


Alabama

No person may operate motor vehicle with sign, poster, or other non-transparent material that obstructs visibility.


Alabama

N/A


Alaska

Studded tires are permitted, but with rubber studs and only in the following locations and times: September 16 to April 30 north of 60 degrees N; October 1 to April 14, south of 60 degrees N.


Alaska

The front windshield can have tinting applied, but only on the top 5 inches of the window.

Side windows must have 70% light transmittance.

Rear windows must have 40% light transmittance.

Mirrored tints are not allowed.


Alaska

A television screen may not be installed where the viewer or screen is visible from the driver’s seat.

Television-type equipment is allowed for navigational devices such as GPS or Loran.


Alaska

Radar detectors are permitted for passenger vehicles but prohibited for use by commercial vehicles.


Alaska

Stickers cannot obstruct the view of the driver.


Alaska

N/A


Alaska

Modifications of original vehicle bumper height are permitted. Maximum frame height: 24 inches up to 4,500 lbs. GVWR; 26 inches for 4,501 to 7,500 lbs. GVWR; and 28 inches for 7,501 to 10,000 lbs. GVWR.


Alaska

Headlights are required to be on when speed exceeds 45 mph on designated highways or when visibility is less than 1000 feet.


Alaska

The use of hazard lights is not permitted while driving.


Alaska

Tire chain usage is permitted for hazardous weather or other related incidents only, but may not damage the highway surface.


Arizona

Modification of original vehicle bumper is permitted.


Arizona

Headlights are required from sunset to sunrise and when visibility is less than 500 feet.


Arizona

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


Arizona

Tire chain usage is permitted for hazardous weather or other related incidents only, but may not damage the highway surface.


Arizona

Studded tires are permitted from October 1 to May 1.


Arizona

Application or installation of a substance or material that alters the color or reduces the light transmittance is permissible for a luminous reflection of 35% or less.


Arizona

Application or installation of a substance or material that alters the color or reduces the light transmittance is permissible for a luminous reflection of 35% or less.


Arizona

Radar detectors are permitted for passenger vehicles but prohibited for use by commercial vehicles.


Arizona

Windshield stickers are prohibited if driver’s view is obstructed.


Arizona

N/A


Arkansas

Modification of original vehicle bumper height is permitted.


Arkansas

Headlights are required 1/2 hour after sunset to 1/2 hour before sunrise, when wipers are in use, or when visibility is less than 500 feet.


Arkansas

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


Arkansas

Tire chain usage is permitted for hazardous weather or other related incidents only, but may not damage the highway surface.


Arkansas

Studded tires are permitted November 15 to April 15.


Arkansas

Tinting may not extend more than 5 inches from the top of the windshield.

On all model 1994 and later vehicles, side may use a tint that allows at least 25% net light transmission.

On all model 1994 and later vehicles, the rearmost window may be covered with after-market tint that allows at least 10% net light transmission.

All vehicles with after-market tints must have a label with the name and phone number of the company and a declaration that the vehicle conforms to the vehicle tinting law that installed the tint on the front glass immediately to the driver’s left. A motorist with a medical waiver exemption for window tinting must carry a physician’s certification in the motor vehicle.


Arkansas

No statewide restriction.


Arkansas

Radar detectors are permitted for passenger vehicles but prohibited for use by commercial vehicles.


Arkansas

It is unlawful to have any substance other than a rear-view mirror or required decals attached to the windshield at any point more than 4 1/2 inches above the bottom of the windshield, if it obstructs the operator’s view.


Arkansas

N/A.


California

It is unlawful to drive a motor vehicle equipped with a television receiver, a video monitor, or a television or video screen, or any other similar means of usually displaying a television broadcast if the receiver is located in the vehicle at any point forward of the back of the driver’s seat. GPS navigation systems that are mountable on the windshield or the dashboard are permitted, as are systems designed to prevent the driver from viewing them. There is also an exemption for video event recorders that have the capability of monitoring driver performance, if mounted in specific locations.


California

Radar detectors are permitted for passenger vehicles but prohibited for use by commercial vehicles.


California

Stickers are permitted if stickers are a maximum 7-inch square, placed in the lower left corner of the windshield farthest removed from the driver, or a maximum 5-inch square placed in the lower corner of the windshield nearest the driver.


California

Any motor vehicle with 3 or more wheels, or any trailer or semi-trailer must be equipped with mudguards if the body of the vehicle does not provide adequate protection against spray or splash of water or mud to the rear of the vehicle; trailers and semitrailers weighing less than 1,500 lbs. or vehicles made before January 1, 1971, and weighing less than 1,500 lbs. are not required to have mudguards.


California

Modification of original vehicle bumper height is permitted.  Maximum frame height: 23 inches for passenger vehicles.


California

Headlights are required to be on during darkness, when wipers are in continuous use, or when visibility is less than 1000 feet.


California

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


California

Tire chain usage is permitted for hazardous weather or other related incidents only, but may not damage the highway surface.


California

Studded tires are permitted November 1 to April 30 and if retracted, May 1 to October 31.


California

Window tinting is permitted only for the side windows to the rear of the driver; rear windows may be tinted but only if the vehicle has outside mirrors on both sides that provide 200 feet of visibility; the uppermost portion of the windshield may also be tinted.


Colorado

Modification of original vehicle bumper height is permitted.


Colorado

Headlights are required to be on between sunset and sunrise, and when visibility is less than 1000 feet.


Colorado

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


Colorado

Tire chain usage is permitted for hazardous weather or other related incidents only, but may not damage the highway surface.


Colorado

Studded tires are permitted.


Colorado

The windshield shall allow no less than 70% light transmission.

The windows to the side of the driver may be tinted to allow a minimum of 27% light transmittance.

The windows to the rear of the driver, including the rear window, may be tinted less than 27% if the front side windows and the windshield shall allow 70% light transmittance.


Colorado

Prohibits driving a vehicle equipped with a video display visible to the driver while the motor vehicle is in motion. Computer, data terminal, safety equipment is exempt as long as they are not used to display visual entertainment, including internet browsing, social media, and e-mail, to the driver while the motor vehicle is in motion.


Colorado

Radar detectors are permitted for passenger vehicles but prohibited for use by commercial vehicles.


Alberta

A bumper may not be installed or altered on a passenger car unless the bumper is mounted in substantially the same manner as by the manufacturer.

The passenger car bumper may not be altered so that the main structural component of the bumper is more than 50 cm or less than 40 cm above the ground. This provision does not apply to passenger cars manufactured before April 1, 1976. However, no person may alter a bumper so that it is more than 10 cm higher or lower than it was when the car was manufactured.


Alberta

Headlights are required to be used at night or when visibility is 150m or less.


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.


Alberta

Tire chains are permitted.


Alberta

Studded tires are permitted.


Alberta

It is not permitted to place or install on a motor vehicle a transparent, translucent, or opaque material on or in place of a windshield glazing or side window glazing that is beside or forward of the driver on the right- and left-hand side of the motor vehicle.

It is not permitted to place or install in a motor vehicle a transparent, translucent, or opaque material on or in place of a rear window glazing unless the motor vehicle is equipped with rearview mirrors on the right and left of the motor vehicle.

Glazing installed by the manufacturer of the motor vehicle, clear untinted frost shields, and window stickers that do not impair the operator’s field of vision are permitted.

It is not permissible to place or install any material on or in place of any window glazing that casts a glare on other vehicles on the highway.


Alberta

It is permissible to drive on a highway any motor vehicle that is equipped with a television/video entertainment set, provided the driver cannot see the screen while the vehicle is moving. Exempts GPS devices and hands free cell phone systems. GPS systems must be set before the vehicle is in motion, or be voice-activated.


Alberta

Radar detectors are permitted.


Alberta

A person may apply stickers to the window of a motor vehicle only if they do not limit the driver’s field of vision or otherwise impair the safe operation of the motor vehicle.


Alberta

N/A.


British Columbia

It is unlawful to drive a motor vehicle equipped with a television if the television can be viewed by the driver, unless the screen displays information solely designed to assist the driver’s ability to safely drive the vehicle.

A person cannot drive a vehicle with a television unless the television is safely and securely mounted so that it does not obstruct the driver’s ability to operate the vehicle.


British Columbia

Radar detectors are permitted.


British Columbia

A driver may not drive on a highway if a windshield sticker obstructs the driver’s view.


British Columbia

N/A.


British Columbia

A motor vehicle, except a motorcycle, must be equipped with a front and rear bumper (where originally installed by the manufacturer) and where a replacement bumper has been installed, the replacement must give substantially the same protection as the original bumper. In addition, if the suspension height (bumper height) of a vehicle is altered more than 10 cm [4 inches], the vehicle must be inspected.


British Columbia

Headlights are required to be used 1/2 hour after sunset to 1/2 hour before sunrise, or when visibility is 150m or less.


British Columbia

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


British Columbia

Tire chains are required on certain roads as posted Oct.


British Columbia

Studded tires are permitted Oct. 1 – Apr. 30.


British Columbia

The rear window may be tinted, as may side windows behind the driver. Only the top 75mm [3 inches] of the front windshield may be tinted. If the rear window is deeply tinted to limit visibility to the rear, both left and right side mirrors must be fitted and functioning. Tinted manufactured glass on the front windshield must meet the minimum light transmittancy requirements under the Canadian Motor Vehicle Safety Standards.


Manitoba

Every motor vehicle or trailer, except for a farm trailer, must be equipped with splashguards or fenders adequate to reduce effectively the wheel spray or splash of water from the roadway to the rear when traveling on the highway. The exception to this requirement is when the body of the motor vehicle or the trailer adequately affords such protection.


Manitoba

Motor vehicles may be equipped with frost shields.


Manitoba

All passenger cars must be equipped with a front and rear bumper designed to minimize damage to the vehicle.


Manitoba

Headlights are required to be used 1/2 hour after sunset to 1/2 hour before sunrise, or when visibility is 60m or less.


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.


Manitoba

It is permissible to use tire chains of reasonable proportions upon a motor vehicle, where required for safety.


Manitoba

Studded tires are permitted Oct. 1 – April 30.


Manitoba

It is not permissible to spray or coat the windshield of a motor vehicle with any substance that reduces the amount of light that is capable of being transmitted through the windshield.

It is not permissible to apply a plastic film or a substance to the windshield, or side or rear windows that reduces the transmission of light below the minimum level prescribed, or that causes a reflection of light above the maximum level prescribed.

It is not permissible to equip a motor vehicle with glass of the type that transmits light in only one direction.


Manitoba

It is not permissible to drive on a highway with a television set unless it is: (1) mounted or positioned behind the seat occupied by the driver; and (2) the screen is not visible directly or indirectly from the driver’s seat.


Manitoba

Radar detectors are prohibited.


New Brunswick

Studded tires are permitted Oct. 15 – May 1.


New Brunswick

It is not permissible to operate a motor vehicle with windshields or windows that have been treated, coated, or covered with a color spray, other colored material, or any opaque or reflective material that prevents more than 30% of any light from passing through the window in either direction when measured by a photometer.


New Brunswick

No person shall operate a motor vehicle on a highway if a display screen in the motor vehicle is visible to the driver. Exempts built-in display screens that function as a global positioning system navigation device or provide information about the status of various systems of the motor vehicle.


New Brunswick

Radar detectors are prohibited.


New Brunswick

Except as otherwise specified, it is not permissible to operate a motor vehicle on the highway with a non-transparent material on the front windshield, side wings, or side or rear windows, or having on the exterior or interior an ornament that obstructs or is liable to obstruct the driver’s clear view of the highway.


New Brunswick

N/A.


New Brunswick

Modification of original bumper height is permitted.


New Brunswick

Headlights are required to be used at nighttime and when visibility is 150m or less.


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.


New Brunswick

Tire chains may be used in snow and ice conditions.


Newfoundland and Labrador

Vehicle bumpers on passenger cars must be between 35 cm and 55 cm from the ground when the vehicle is unloaded.


Newfoundland and Labrador

Headlights are to be used one-half hour before sunset to one-half hour after sunrise and when visibility is 150 m or less.


Newfoundland and Labrador

Hazard light use is permitted while driving.


Newfoundland and Labrador

Tire chains are required when snow and ice is on the road.


Newfoundland and Labrador

Studded tires are permitted Nov. 1 – April 30.


Newfoundland and Labrador

A person must not install non-transparent, translucent, or opaque material on or in place of the windshield glazing, or on any other window so that the motor vehicle no longer conforms with the requirements of the Motor Vehicle Safety Act.

This does not apply to replacement of glazing installed by the manufacturer.

Clear un-tinted frost shields are permitted as long as they do not impair the safe operation of the motor vehicle.


Newfoundland and Labrador

A person must not drive on a highway a motor vehicle that is equipped with a television set which is located where the driver can see it while he or she is operating the motor vehicle. This does not apply to a closed circuit television system consisting of a camera and a monitor or to a visual display unit used to help the driver safely operate the vehicle.


Newfoundland and Labrador

Radar detectors are prohibited.


Newfoundland and Labrador

Windshield stickers are permitted as long as they do not impair the operator’s field of vision, or prevent the safe operation of the motor vehicle.


Newfoundland and Labrador

N/A.


Northwest Territories

No person may operate, on a highway, any motor vehicle with a sticker, sign, poster, or other non-transparent material placed over, or affixed to the windshield or a side or a rear window that unduly obstructs the driver’s view of the highway or an intersecting highway.


Northwest Territories

N/A.


Northwest Territories

A vehicle that is travelling at less than 40 km/h, owing to vehicle impairment, must have its hazard lights activated.


Northwest Territories

Tire chains are permitted for icy or snowy road conditions.


Northwest Territories

Studded tires are permitted.


Northwest Territories

Windshields must be free from a coating of sunscreen or reflective material other than that applied by the vehicle manufacturer.


Northwest Territories

No person may operate a vehicle on a highway that is equipped with a cathode ray tube display screen or similar viewing screen if the screen is located in front of the driver’s seat or is visible to the driver while the driver is operating the vehicle.  Control and navigation video displays may be used in a hands free manner.  A backing up video display may be used only when the vehicle is in reverse gear.


Northwest Territories

Radar Detectors are prohibited.