Arkansas vs Oklahoma Oversize Load Rules

What changes for an oversize load between Arkansas and Oklahoma: legal height, pilot car triggers, height poles and travel hours.

I-40, reviewed October 2026

What changes at the Arkansas and Oklahoma border

Legal height
Arkansas allows 14 ft 0 in without a permit; Oklahoma stops at 13 ft 6 in. A load between the two is legal in Arkansas and needs a permit in Oklahoma.
First pilot car
Oklahoma requires a pilot car from 12 ft 0 in wide; Arkansas waits until 14 ft 0 in. A load between those widths needs an escort in Oklahoma only.
Height pole
Arkansas sets a height-pole trigger at 15 ft 0 in; Oklahoma does not publish one, so check the permit.

Check one load against both states

Arkansas

  • Oversize permit required
  • No width escort

Oklahoma

  • Oversize permit required
  • No width escort

11 ft 0 in wide, 14 ft 0 in tall. Length is not checked here.

Side by side

Arkansas and Oklahoma oversize load rules compared
RuleArkansasOklahoma
Legal width8 ft 6 in8 ft 6 in
Legal height14 ft 0 in13 ft 6 in
Legal lengthNot confirmedODOT states only that length limits vary by vehicle type; third-party summaries cite 53 ft semitrailer and 75 ft combination (not verified on an official page).
Gross weight80,000 lbs80,000 lbs
First pilot car at14 ft 0 in12 ft 0 in
Second pilot car atNot confirmed16 ft 0 in
Height pole at15 ft 0 inNot confirmed
Length escort at100 ft 0 inNot confirmed
Travel hoursDaylight hours only (NOAA); no movement through Greater Little Rock on I-30, I-40, I-630 7-9 a.m. and 4-6 p.m.; not valid when visibility under 500 ft or in inclement weather.Oversize loads daylight only (30 minutes before sunrise to 30 minutes after sunset); overweight-only loads may travel continuously. Oversize loads barred on Interstates in Cleveland, Oklahoma and Tulsa counties 7-9 a.m. and 3:30-6:30 p.m. Central, Monday-Friday.
WeekendsPermits may be issued for Saturday and Sunday movement (daylight) unless the weekend is restricted by a Monday/Friday holiday.No weekend ban stated on the ODOT FAQ; the daylight-only rule applies 7 days a week and metro Interstate curfews apply Monday-Friday only.
Trip permitFee not confirmed$22.00
Permit office501-569-2381 (Arkansas Highway Police Division, ARDOT Permit Section)405-425-7012 (Oklahoma DOT (ODOT) Size and Weight Permits (OkiePROS))

Go deeper

Arkansas and Oklahoma FAQs

Do Arkansas and Oklahoma require pilot cars at the same width?
Oklahoma requires a pilot car from 12 ft 0 in wide; Arkansas waits until 14 ft 0 in. A load between those widths needs an escort in Oklahoma only.
Is the legal truck height the same in Arkansas and Oklahoma?
Arkansas allows 14 ft 0 in without a permit; Oklahoma stops at 13 ft 6 in. A load between the two is legal in Arkansas and needs a permit in Oklahoma.
Do I need a separate permit for each state between Arkansas and Oklahoma?
Yes. Oversize and overweight permits are issued by each state, so a move through both needs a permit from Arkansas Highway Police Division, ARDOT Permit Section and one from Oklahoma DOT (ODOT) Size and Weight Permits (OkiePROS), each with its own route, hours and escort conditions.
Which travel hours apply in Arkansas and Oklahoma?
Arkansas: Daylight hours only (NOAA); no movement through Greater Little Rock on I-30, I-40, I-630 7-9 a.m. and 4-6 p.m.; not valid when visibility under 500 ft or in inclement weather. Oklahoma: Oversize loads daylight only (30 minutes before sunrise to 30 minutes after sunset); overweight-only loads may travel continuously. Oversize loads barred on Interstates in Cleveland, Oklahoma and Tulsa counties 7-9 a.m. and 3:30-6:30 p.m. Central, Monday-Friday. The conditions printed on the permit control.

Compiled from each state's published permit rules, reviewed October 2026. Not legal advice; the conditions printed on your permit control.