Alaska

PERMITS:
Permits are valid for 3 days, more time may be requested for distance or weather related issues.

TRAVEL TIME:
Travel is allowed during daylight only (one-half hour before sunrise to one-half hour after sunset), Monday through Saturday noon (unless permit allows travel during hours of darkness with proper lighting).

RESTRICTED TIME:
No travel allowed Monday – Friday in urban areas from 7:00 – 8:00 a.m. and 4:30 – 6:00 p.m. No Sunday travel. No travel on major holidays. For holidays that fall on Sunday or Monday, movement is prohibited from noon Friday through midnight Monday. For holidays that fall on Friday or Saturday, movement is prohibited from noon Thursday through midnight Sunday.

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 center of rear group does not exceeding 41′.
Overhang: 3′ front, 4′ rear.
Weight: GVW not specified. Single – 20,000 (8′ 1″ min. spacing)*; Tandem–38,000 (3′ 6″ min. spacing); Tridem–42,000 (3′ 6″ min. spacing); Quad–50,000 (3′ 6″ min. spacing)
*Note: Spread axle groups cannot carry over approximately 10,000 pounds per axle in British Columbia.

ROUTINE PERMIT LIMITS:
Width, Height, Length: Depends on routes.
Weight:  1500,000 Gross; Single – 30,000; Tandem – 56,000; Tridem – 70,000; Quad – 80,000

ESCORTS:
Width: Over 10’6” – 1 escort; over 12′ – minimum of 2 escorts; over 14′ – minimum of 3 escorts.
Height: Over 17′ – 1 escort with height pole
Length: Over 85′ – 1 escort; over 100′ – 2 escorts.
Overhang: Front overhang of 3′-10′ – front escort; Rear overhang of 4’–20′ – 1 escort or can use extended light bar in lieu of escort; over 20′ – 1 escort.

MISCELLANEOUS:
Permits not issued for divisible loads.

SAFETY REQUIREMENTS:
“Oversize Load” signs are required on any wide load. Flags are required on over width loads/vehicles and on overhangs. Signs or flags are not required for movements that are overweight only.