Kansas vs Oklahoma Oversize Load Rules
What changes for an oversize load between Kansas and Oklahoma: legal height, pilot car triggers, height poles and travel hours.
I-35, reviewed October 2026
What changes at the Kansas and Oklahoma border
- Legal height
- Kansas allows 14 ft 0 in without a permit; Oklahoma stops at 13 ft 6 in. A load between the two is legal in Kansas and needs a permit in Oklahoma.
- First pilot car
- Oklahoma requires a pilot car from 12 ft 0 in wide; Kansas waits until 14 ft 0 in. A load between those widths needs an escort in Oklahoma only.
- Second pilot car
- Kansas adds a second escort at 14 ft 0 in wide; Oklahoma at 16 ft 0 in.
Check one load against both states
Kansas
- 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
| Rule | Kansas | Oklahoma |
|---|---|---|
| Legal width | 8 ft 6 in | 8 ft 6 in |
| Legal height | 14 ft 0 in | 13 ft 6 in |
| Legal length | Single motor vehicle 45 ft; semitrailer behind a truck tractor up to 59.5 ft; other vehicle combinations 65 ft overall (K.S.A. 8-1904). Permit needed for indivisible loads over 85 ft total. | ODOT 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 weight | 80,000 lbs | 80,000 lbs |
| First pilot car at | 14 ft 0 in | 12 ft 0 in |
| Second pilot car at | 14 ft 0 in | 16 ft 0 in |
| Height pole at | Not confirmed | Not confirmed |
| Length escort at | Not confirmed | Not confirmed |
| Travel hours | Overdimensional loads: daylight only (K.S.A. 8-1911 bars movement from 30 minutes after sunset to 30 minutes before sunrise; also not when visibility is under 1/2 mile or roads are icy/snow packed). Overweight-only loads may move at night. Permit may restrict peak hours (7-9 am, 4-6:30 pm) in Kansas City, Lawrence, Leavenworth, Leawood, Lenexa, Olathe, Overland Park, Shawnee, Topeka and Wichita, except for pickups/deliveries in those cities. | 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. |
| Weekends | No weekend restriction; KAR 36-1-36(m) allows movement every day of the year. | 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 permit | Fee not confirmed | $22.00 |
| Permit office | 785-368-6501 (Kansas Department of Transportation (KDOT) Central Permit Office via K-TRIPS) | 405-425-7012 (Oklahoma DOT (ODOT) Size and Weight Permits (OkiePROS)) |
Go deeper
- Pilot car detail: Kansas, Oklahoma
- Full guides: Kansas, Oklahoma
- Running through both without local plates? Estimate the trip permit cost
- Moving over a holiday? Check holiday restrictions
Kansas and Oklahoma FAQs
- Do Kansas and Oklahoma require pilot cars at the same width?
- Oklahoma requires a pilot car from 12 ft 0 in wide; Kansas 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 Kansas and Oklahoma?
- Kansas allows 14 ft 0 in without a permit; Oklahoma stops at 13 ft 6 in. A load between the two is legal in Kansas and needs a permit in Oklahoma.
- Do I need a separate permit for each state between Kansas and Oklahoma?
- Yes. Oversize and overweight permits are issued by each state, so a move through both needs a permit from Kansas Department of Transportation (KDOT) Central Permit Office via K-TRIPS 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 Kansas and Oklahoma?
- Kansas: Overdimensional loads: daylight only (K.S.A. 8-1911 bars movement from 30 minutes after sunset to 30 minutes before sunrise; also not when visibility is under 1/2 mile or roads are icy/snow packed). Overweight-only loads may move at night. Permit may restrict peak hours (7-9 am, 4-6:30 pm) in Kansas City, Lawrence, Leavenworth, Leawood, Lenexa, Olathe, Overland Park, Shawnee, Topeka and Wichita, except for pickups/deliveries in those cities. 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.