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Alaska Dot Oversize Permit


Alaska Division of Measurement Standards

Address: 11900 Industry Way Anchorage, Alaska 99515

Contact: (907) 341-3200 / 1 (800) 478-7636

Hours: 8:00 A.M. – 5:00 P.M. (AKDT)


Single trip permits are valid for three (3) days, but permittee may request more time if needed if travel exceeds 500 miles or weather related issues.


Weight (lbs)

Designated Highways



Width, height and length requirements depend on routes.

Loads over 14’ wide, 150’ long or 16’6 high must supply exact routes

When Escorts Are Needed:

On All Highways: # Escorts

Width over 10′ up to & including 12′1 Front
Width over 12′ up to & including 14’2 (Front & Rear)
Width over 14′3 (2 Front & 1 Rear)
Length over 85′ up to & including 100′1 Front
Length over 100′2 (Front & Rear)
Overhang over 10′ (See note*)1 Escort*
Overhang over 35′2 (Front & Rear)
Overweight w/bridge crossing on centerline2 (Front & Rear)


*Can use extended light bar for up to 20′ rear overhang in lieu of rear pilot car. (Carry flags, vests, stop/slow paddle per crew member.)



Escort vehicles may be passenger cars or trucks not to exceed an unladen weight of 10,000 lbs. Vehicles must be equipped with a red hand flag and bright orange vest or jacket.

Vectra Heavy Haulers, a trusted heavy hauling company with a solid reputation, will ensure secure and trusted delivery services according to your needs.

Did you know that we have information on Arizona oversize permits as well?

We know everything about all federal, state, and local oversize permits. For more Alaska Oversize/Overweight Permit (OSOW) office regulation information.