Oklahoma permits

Oklahoma Oversize Permit Rules

Height rules, bridge reviews, legal limits, escorts, metro curfews, travel hours and holiday rules for oversize and overweight loads in Oklahoma, each checked against the Oklahoma Department of Transportation.

Last checked: Oct 2, 2026

This page is general information only, not legal advice and not a permit. Rules change often and each state's permit and official rules are the final word. Always confirm limits, escorts, routes and travel times with the state permit office before moving a load. Reliable Transport LLC is not responsible for decisions made using this information.

Height pole
15'9"H or more
Legal height
14'H; 13'6"H county roads
Escorts start
Over 12'W or 80'L

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ODOT permits

How Oklahoma sizes up a heavy load

The Oklahoma Department of Transportation (ODOT) Size and Weight Permits Division issues oversize and overweight permits through its online permit system. These are the numbers we plan every Oklahoma load with. Run your exact load and route through our permit tool to see every state on the trip.

Check your load

Enter your width, height, length and weight in our permit tool to see the Oklahoma rules and every other state on your route, each with its official source.

Check your load

Oklahoma limits

Oklahoma legal limits and permit thresholds

Over any legal limit, the load needs an ODOT size and weight permit.

Oklahoma legal size, weight and permits

Official sources linked
RuleLimit
Route reviewODOT publishes no route survey size trigger. Overweight loads that need it get an ODOT Bridge Division load route review before the permit is issued (OAC 730:50 Subchapter 5 (ODOT copy))
15'9"H or moreFront and rear escorts, a height measuring pole, and advance contact with every utility and railroad on the route (OAC 730:50 Subchapter 5 (ODOT copy), ODOT Contact List for Utilities and Railroads form)
Legal heightUp to 14'H on Interstates, US and state highways and turnpikes, and 13'6"H on county roads. A taller load needs a permit (47 O.S. 14 103, OAC 730:50 5 6(e) (ODOT copy))
Legal width8'6"W (47 O.S. 14 103, ODOT Size and Weight Permits page and FAQ)
Legal weight80,000 lbs gross on Interstates; 90,000 lbs on other highways (OAC 730:50 Subchapter 5 (ODOT copy))

Escorts

Oklahoma escort requirements

Oklahoma sets escorts by width, length and height, and the road type decides front or rear.

Oklahoma escorts by load size

Official sources linked
LoadEscorts
Over 12'W to 14'WFront escort on two lane highways; rear escort on multi lane highways (OAC 730:50 Subchapter 5 (ODOT copy))
Over 14'WFront and rear escorts on two lane highways; rear escort on multi lane highways (OAC 730:50 Subchapter 5 (ODOT copy))
Over 16'WFront and rear escorts on all highways (OAC 730:50 Subchapter 5 (ODOT copy))
Over 80'LFront escort on two lane highways (OAC 730:50 Subchapter 5 (ODOT copy))
Over 100'L2 escorts on two lane highways (OAC 730:50 Subchapter 5 (ODOT copy))
15'9"H or moreFront and rear escorts, with a height measuring pole (OAC 730:50 Subchapter 5 (ODOT copy), ODOT Contact List for Utilities and Railroads form)

Escort rules come from OAC 730:50 5 18. The permit lists the escorts for each load. (OAC 730:50 Subchapter 5 (ODOT copy), ODOT Size and Weight Permits page and FAQ)

Height and routes

Height poles, utilities and bridge reviews

What Oklahoma asks of tall and heavy loads.

  1. Route review

    ODOT publishes no route survey size trigger. Overweight loads that need it get a load route review by the ODOT Bridge Division before the permit is issued, so plan extra time. (OAC 730:50 Subchapter 5 (ODOT copy))

  2. 15'9"H or more

    The load runs with front and rear escorts and a height measuring pole, and the permittee contacts every utility and railroad on the route before the move. (OAC 730:50 Subchapter 5 (ODOT copy), ODOT Contact List for Utilities and Railroads form)

  3. Legal height

    A load taller than 14'H on Interstates, US and state highways and turnpikes, and 13'6"H on county roads needs a permit. (47 O.S. 14 103, OAC 730:50 5 6(e) (ODOT copy))

Travel times

Travel hours, nights, weekends and holidays

When a permitted load may move in Oklahoma.

  1. Hours

    Half an hour before sunrise to half an hour after sunset, unless the permit allows night travel. (47 O.S. 14 101, ODOT Size and Weight Permits page and FAQ)

  2. Overweight only

    A load within legal size that is only overweight may move day and night. (47 O.S. 14 101, ODOT Size and Weight Permits page and FAQ)

  3. Metro curfews

    Oversize loads may not use Interstates in Oklahoma, Tulsa or Cleveland County from 7 to 9 a.m. or 3:30 to 6:30 p.m., Monday through Friday. (OAC 730:50 Subchapter 5 (ODOT copy), ODOT Size and Weight Permits page and FAQ)

  4. Holidays

    No oversize travel on New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving and Christmas. (47 O.S. 14 101, OAC 730:50 Subchapter 5 (ODOT copy))

Superloads

Oklahoma bridge reviews

Oklahoma sets no single superload size. Overweight loads that need it get a load route review by the ODOT Bridge Division, a structural check of the route, before the permit is issued. (OAC 730:50 Subchapter 5 (ODOT copy))

See how we plan the biggest loads on our Superload Transport page.

Sources

Official Oklahoma sources

Every rule on this page is taken from the ODOT pages and rule text below and confirmed by a second source. Rules we could not confirm twice are left off this page. Rules change, and the permit itself always decides. Last checked: Oct 2, 2026.

Questions

Oklahoma permit questions

Does an Oklahoma load need a route survey?

ODOT publishes no route survey size trigger. Overweight loads that need it get an ODOT Bridge Division load route review before the permit is issued.

What does Oklahoma require at 15'9"H?

Front and rear escorts, a height measuring pole, and advance contact with every utility and railroad on the route.

When does an Oklahoma load need a permit?

Over 8'6"W; over 14'H on Interstates, US and state highways and turnpikes, or 13'6"H on county roads; or over 80,000 lbs on Interstates and 90,000 lbs on other highways.

When does Oklahoma require escorts?

Over 12'W, a front escort on two lane highways and a rear escort on multi lane highways. More over 14'W and 16'W, and over 80'L on two lane highways.

When are the Oklahoma metro curfews?

No oversize Interstate travel in Oklahoma, Tulsa or Cleveland County from 7 to 9 a.m. or 3:30 to 6:30 p.m., Monday through Friday.

Which holidays stop oversize loads in Oklahoma?

New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving and Christmas.

USDOT 3906954MC 1441035
Live GPSand a dash cam on every truck
In housepermitting, routing, escorts, utility bucket trucks, maintenance and drivers
USA and Canadawith bonded and non bonded shipments across the Canadian border

Hauling through other states? Use our permit map and route planner

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Reliable Transport LLC | Reliable Heavy Haul

Ready to move it?

We haul oversize and overweight loads across the USA and Canada from our home base at 7660 W Third St, Dayton, OH 45417. Send your load details and we will plan the Oklahoma permit, route and escorts.

This page is general information only, not legal advice and not a permit. Rules change often and each state's permit and official rules are the final word. Always confirm limits, escorts, routes and travel times with the state permit office before moving a load. Reliable Transport LLC is not responsible for decisions made using this information.