Driving in Alaska 2026 — Studded Tyres Allowed & Extreme Road Rules

Driving in Alaska

Alaska (AK) sits in the Far North region, with Juneau as its state capital. Handheld phone use behind the wheel is banned. The driving experience here is shaped by subarctic conditions with extreme cold and limited winter daylight, which affects road conditions, tyre choice, and the precautions you need to take.

Speed Limits in Alaska

Alaska has limited interstate-grade highways. Most highways are two-lane with 55 mph limits.

School zones in Alaska drop to 15-25 mph when children are present, and construction zones often carry doubled fines. Watch for posted signs — local limits can vary from the defaults.

Traffic Laws in Alaska

Cell Phone Law: No statewide handheld ban for adults. Texting banned for all drivers. Drivers under 18 prohibited from all cell phone use. Police in Alaska enforce this as a primary offence, meaning they can pull you over for this alone.

Seatbelt Law: Primary enforcement for all occupants. Both drivers and all passengers must be belted in Alaska.

Right Turn on Red: Permitted in Alaska after a complete stop, unless a sign says otherwise. Yield to pedestrians and cross traffic.

Move-Over Law: Alaska requires drivers to change lanes or reduce speed when passing stopped emergency vehicles, tow trucks, or maintenance vehicles.

Headlights: Required from sunset to sunrise and when conditions reduce visibility.

Child Restraints: Children under 1 or under 20 lbs must be in a rear-facing child seat. Children 1-3 (20-40 lbs) in a forward-facing seat. Children 4-7 (40-65 lbs) in a booster seat. Children under 16 must be restrained.

DUI Laws in Alaska

The legal BAC limit in Alaska is 0.08% for drivers 21 and over. For under-21 drivers, Alaska enforces zero tolerance — any detectable alcohol is illegal. Commercial vehicle drivers face a nationwide 0.04% limit.

First-time DUI penalties in Alaska include fines, potential jail time, mandatory alcohol education, and licence suspension. Repeat offenders face escalating consequences including ignition interlock devices and extended licence revocation.

Tyre Requirements in Alaska

There is no winter tyre mandate in Alaska, though having season-appropriate tyres is strongly recommended. Tire chains may be required on certain roads during winter conditions at the discretion of the Department of Transportation.

Studded Tyres: Allowed September 30 through April 30.

Tread Depth: Alaska enforces the federal minimum of 0.0625 inches (2/32"). At this depth, wet braking performance is severely compromised. Replace tyres at 4/32" — do not wait for the legal limit.

For Alaska’s winters, tyres rated M+S or bearing the 3PMSF snowflake symbol provide measurably better cold-weather grip than summer tyres.

Insurance and Equipment in Alaska

Alaska requires all drivers to carry liability insurance. Keep proof in your vehicle. If you are stopped without it, penalties include fines and possible licence suspension.

Required vehicle equipment in Alaska: functioning headlights, brake lights, turn signals, at least one rearview mirror, a horn, windshield wipers, and valid registration plates. Check Alaska’s specific window tint limits before adding aftermarket tint.

Licence Requirements for Visitors to Alaska

A valid licence from your home state or country is accepted for driving in Alaska. International visitors are strongly advised to carry an IDP alongside their national licence. Rental agencies and police in Alaska may request both.

New residents of Alaska must get a state licence after establishing residency. Requirements usually include a vision screening, a written test on Alaska’s traffic laws, and possibly a behind-the-wheel exam.

Toll Roads in Alaska

Alaska has no toll roads. All highways and interstates are free to use.

Seasonal Driving in Alaska

Alaska has subarctic conditions with extreme cold and limited winter daylight. This directly affects when and how you should drive.

Winter in Alaska is extreme:

• Roads may be snow-covered or icy for months at a time
• Daylight drops to under 6 hours in December in much of the state
• Carry an emergency kit: extra warm clothing, sleeping bag, water, food, torch, shovel, ice scraper, snow brush, tow strap, and jumper cables
• Studded tyres or chains are essential on many routes
• Check Alaska DOT road conditions before every trip — closures are common

Renting a Car in Alaska

The minimum rental age in Alaska is typically 21, though drivers under 25 pay a surcharge. Some agencies rent to 18-20 year olds with an additional fee. International visitors should confirm that their licence and IDP are accepted by the agency.

Before leaving the lot in Alaska, photograph any existing damage, test the lights, wipers, and horn, and verify that the spare tyre and jack are present. Check the fuel policy — most agencies expect a full tank on return.

Your existing insurance or credit card may cover rental vehicles in Alaska — verify before declining the agency’s coverage. International visitors should strongly consider full coverage.

Emergency Contacts in Alaska

Dial 911 for any emergency in Alaska — police, fire, or medical. For non-emergency roadside assistance, contact the Alaska State Troopers at (907) 269-5511.

If you are in an accident in Alaska: stop immediately, check for injuries, call 911 if anyone is hurt, move vehicles to the shoulder if safe, exchange insurance and contact details, and photograph the scene. Do not admit fault.

If your car breaks down in Alaska, pull off the road as far as safely possible, activate hazard lights, and set up reflective triangles if you have them. Stay in your vehicle on busy highways and call for assistance.

Driving Tips for Alaska

Practical advice for driving in Alaska:

• Follow posted limits. Alaska enforces speed limits, stop signs, and lane restrictions actively. Fines increase in school and construction zones.
• Yield to pedestrians. Alaska law requires drivers to yield to pedestrians in crosswalks. Give cyclists at least three feet of clearance.
• Signal your intentions. Use turn signals well before turning or changing lanes in Alaska.
• Stay alert. Long drives across Alaska can be tiring. Stop every two hours or 100 miles to rest.
• Wildlife hazard: moose, caribou, and bears — moose collisions are a serious hazard, especially at dusk.
• School zones. Reduced limits in Alaska’s school zones are strictly enforced when children are present. Fines are significant.