State Permits


Alabama oversize permits are valid for five consecutive days. Must have permit prior to entering state.


Daylight only (one-half hour before sunrise to one-half hour after sunset) Monday through Saturday. No travel on Sundays.


No travel on major holidays and Holiday weekends.


Width: 8’6″ (8′ on lanes less than 12′ wide)

Height: 13’6″

Length: 57′ trailers (53’6″ on roads less than 12′ wide) and 85′ overall (unless trailer exceeds 57′)

Overhang: 10′ front, 5′ rear Note: 60′ Structural steel is exempt from permits and escorts

Weight: 80,000 Gross Single – 20,000 Tandem – 34,000 Tridem – 42,000


Width: 16′ (over 16′ cannot use Interstate)

Height: 15’5″

Length: 165′ (maximum overhang 20′)

Overhang: 20′ rear overhang is the maximum permitted.

Weight: 5 axles – 110,000 6 axles – 122,000 7 axles 142,000 Steer – 14,000 maximum without special permission

Single – 22,000 Tandem – 44,000 Tridem – 66,000

Loads exceeding these dimensions, over 120,000 on Interstate or 90,000- off Interstate are Super Loads.


Width: over 12′ – 2 escorts.

Height: over 15’5″* – 1 escort *(may be needed at lower heights on some routes)

Bucket or Blade Rule: If bucket or blade protrudes past sides of trailer – 1 escort. (No escort needed if outriggers are used to prevent bucket or blade from protruding sides of trailer).

Length: With legal trailer length, over 85′ – 1 escort, over 105′ – 2 escorts.

Overhang: over 5′ rear overhang – 1 escort.

Miscellaneous: Bulldozers, front end loaders and similar equipment shall be loaded with the blade to the rear any time the blade protrudes beyond the transporting vehicle.

Overweight dozer and blade must be attached, or else hauled on separate loads if blade is detached.

60′ Structural steel is exempt from permits and escorts.


“Oversize Load” signs front and rear of any overwidth or overlength vehicle. Flags must be placed at front and rear corners of any overdimensional load or vehicle. Over 4′ rear overhang requires lights at night. (Over 5′ needs permit, and can’t run at night). There are no sign or flag requirements for overheight only or overweight only loads.

Alabama Blade and Bucket Rule:

A pilot car is required in Alabama any time a blade or bucket protrudes past the edges of the trailer. This applies to dozers, excavators and any other equipment with a blade or bucket. Also, the blade or bucket must be loaded to the rear.