Alaska OSOW Permits

Updated: Sep 2


You may purchase an annual plate for $331.00 at the Tok DMV, or a 30-day trip permit for $350.00 plus $10.00 trailer permits at the Tok scale. The Tok DMV hours are 10:30 – 3:45, the phone number is 907-883-4481. Tok scale phone number is 907-883-4591 and they usually are open 24/7. If you buy the trip permit, you can go to the Tok DMV on the way out and buy the plate and get reimbursed on the trip permit, or, you can go to the Anchorage or Fairbanks MDV and buy the plate, then show it to Tok scale on the way out to get reimbursed on the trip permit, but you have 5-days in which to do this. You must be current on your 2290 tax payments.


PERMITS:

Permits valid for three days, but more time may be requested for distance or weather-related issues.


OPERATING TIME:

Daylight only (one-half hour before sunset to one-half hour after sunset), Monday through Saturday. Legal width and up to 15' high and 75' long may travel anytime. Up to 10' wide may travel weekends. Over 10' wide may travel until 12:00 noon on Saturdays. No Sunday travel.


LEGAL DIMENSIONS:

Width: 8'6" Height: 15'

Length: 48' semi-trailer, 75' overall, but 53' semi-trailers with no overall length limit are legal on designated highways if kingpin to the center of the rear group does not exceed 41'.

Overhang: 3' front, 4' rear.

Weight: GVW not specified.

Single – 20,000 (8' 1" min. spacing)* Tandem – 38,000 Tridem – 42,000 Quad – 50,000

*Note: Spread axle groups cannot carry over about 10,000 pounds per axle in British Columbia.


ROUTINE PERMIT LIMITS:

Width, Height, Length: Depends on the route of travel, distance, and bridges to be crossed.

Weight: 80,000 Gross Single – 30,000 Tandem – 42,000 Tridem – 48,000


ESCORTS:

Width: Over 10'– 1 escort; over 12' – 2 escorts; over 14' – minimum of 3 escorts.

Height: Not specified Length: Over 85' – 1 escort: over 100' – 2 escorts.

Overhang: Over 10' rear – 1 escort (can use extended light bar for up to 20' in lieu of escort); over 100' – 2 escorts.

Weight: When special bridge crossing conditions such as straddling centerline are enacted – 2 escorts.


Miscellaneous:

Permits not issued for divisible loads.


SIGNS, FLAGS & LIGHTS:

“Oversize” signs required on any wide load. Flags are required on overwidth loads/vehicles and on overhangs. Signs or flags are not required for movements that are overweight only


SEASONAL LOAD (WEIGHT) RESTRICTIONS:

Spring thaw weight restrictions may restrict weights to 85%, 75%, or even 50% of normally allowed weights during spring thaw conditions. These may be enacted approximately between March and June each year, depending on routes and weather conditions.

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