Arkansas OSOW permits

Updated: Sep 2

Permits valid for three days. Must have a permit prior to entering the state. Cost depends on miles and weight.

Arkansas Permitting System:

Contact phone number: 1-501-569-2381


Daylight only (sunrise to sunset for Arkansas), seven days a week. Continuous travel may be allowed if O/W only, not to exceed 108,000 pounds. Loads not exceeding 90' long (other dimensions legal) may have continuous travel


No oversize movement through the metropolitan Little Rock area between the hours of 7:00 a.m. – 9:00 a.m. and 4:00 p.m. – 6:00 p.m., and on I-30 (M.M. 138-143), I-40 (M.M. 151-155), and all of I-630. No travel on major holidays (New Years, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas). If a holiday falls on Monday or Friday, no weekend movement allowed (check with Sammons Permit Department).


Width: 8'6" Height: 13' 6"

Length: 53'6" trailer & load

Overhang: 60' poles, pipes, machinery, steel beams, or other objects of a structural nature do not require a permit for daylight travel for up to 90' overall length. Night travel requires a permit. Otherwise, up to 53'6" trailer/load is allowed without a permit. (If long beams are on a stretch trailer and do not extend beyond the rear of the trailer, then a permit is required.)

Weight: 80,000 Gross Single – 20,000 Tandem – 34,000 Tridem – 54,000

Steer Axle – Arkansas asks for the manufacturer's front axle weight rating (up to a maximum of 20,000 pounds), which you are not allowed to exceed.


Width: 18' (20' on some non-interstate routes)

Height: 17' (Over 16' must obtain special approval, and not allowed on Interstates. utility personnel must accompany load over 17'.)

Note: Over 14' wide or over 15' high is looked at on a case-by-case basis to determine if a route survey is required.

Length: No set limit

Weight: Single – 20,000 Tandem – 40,000 Tridem – 60,000 Quad – 68,000

Loads exceeding these dimensions are classed as Super Loads.


Width: On 2-lane Highways: Over 12' – 1 escort; over 14' – 2 escorts.

On Interstate and Controlled Access Highways: over 14' – 1 escort; over 16' – 2 escorts.

Police escorts for larger loads are looked at on a case-by-case basis.

Height: Over 15' – 1 escort

Length: Over 100' – 1 escort, over 130' – 2 escorts.


"Oversize Load” signs required on all loads exceeding legal width, height, or length.

Red flags 18" square are required on rear corners on all loads exceeding legal width, height, or length. There are no sign or flag requirements for overweight only loads.

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