Alaska Oversize/Overweight Permits


Alaska oversize/overweight permits are valid for 3 consecutive days.

Operation Time

Travel is only permitted during daylight hours (one-half hour before sunset to one-half hour after sunset), Monday through Saturday. Loads within the legal width limit, no more than 15’ tall, and 75’ long may travel anytime. In addition, loads up to 10’ wide may travel weekends. Loads over 10’ wide may travel until 12:00 noon on Saturdays. Sunday travel is restricted.

Legal Limits


48’ semi-trailer on non-designated highways

53’ semitrailer (53’ semi-trailers with no overall length limit are legal on designated highways if kingpin to enter of the rear group does not exceed 41’)

75’ overall

120’ doubles (trailers and connecting device, designated highways)

90’ autotransporter 53’ on designated routes

75’ truck and trailer on non-designated routes

85’/90’ truck and trailer on designated routes





15’6″ autotransporters, designated routes only


3’ front

4’ rear


GVW is not specified.

  • Single – 20,000 lbs. (8’1″ minimum spacing)*
  • Tandem – 38,000 lbs.
  • Tridem – 42,000 lbs.
  • Quad – 50,000 lbs.

*Spread axle groups cannot carry more than 10,000 lbs. per axle in British Columbia.



 Permit Limits/Routine Issue

Weight: Gross weight is 80,000 lbs.

  • Single – 30,000 lbs.
  • Tandem – 42,000 lbs.
  • Tridem – 48,000 lbs.

Depends on the route of travel, distance, and bridges to be crossed.


No set limit


No set limit


When Escorts are Required Number of Escorts
Width over 10’ up to & including 12’ 1 front escort
Width over 12’ up to & including 14’ 2 escorts, 1 front and 1 rear
Width over 14’ Minimum 3 (2 front and 1 rear) 
Length over 85’ up to & including 100’ 1 front escort
Length over 100’ 2 escorts, 1 front and 1 rear
Overhang over 10’ rear 1 escort
Overhang over 100’ 2 escorts, 1 front and 1 rear
Weight – when crossing special bridge conditions such as straddling centerline are enacted 2 escorts 1 front and 1 rear



“Oversize” signs are required on any oversize load. Flags are required on overwidth loads or vehicles as well as on overhangs. However, signs and flags are not required for loads that are only overweight.

Restricted Travel

No movement for oversize loads 7:00–8:00 a.m. and 4:30–6:00 p.m. Monday through Friday in the Anchorage, Fairbanks, and Juneau urban areas. No movement 6:00–8:00 a.m., 11:30 a.m.–1:00 p.m. and 4:00-7:00 p.m. in the Anchorage urban area north of Palmer and Wasilla for loads over 14’ wide.

Ketchikan: no movement from 7:00 a.m.–8:00 a.m., 12 p.m.–1:00 p.m., and 4:30–6:00 p.m.

Palmer/Wasilla Area: no movement from 6:00 a.m.–8:00 a.m., 11:30 a.m.–1:00 p.m. and 4:40–6:00 p.m. when over 14’ wide or slow moving vehicles traveling slower than 25 mph.

From October 1 through April 15, weekend and holiday restrictions do not apply from Fairbanks north on the Steese, Elliot, and Dalton Highways.

You can also obtain any trip and fuel permits you may need with our sister site!