Oklahoma oversize load rules
Legal limits, pilot car requirements, travel restrictions, superload thresholds and permit fees for oversize and overweight loads in Oklahoma.
Legal limits without a permit
| Width | 8′6″ |
|---|---|
| Height | 14′ on turnpikes, interstates, US and state highways · 13′6″ on county roads |
| Length | 53′ semitrailer · 45′ single vehicle |
| Weight | 80,000 lb gross on the interstate (Formula B) · 90,000 lb on other state highways |
What Pro adds for Oklahoma
- 6 escort rules with counts by width, height, length and road type
- 4 travel restrictions: curfews, night, weekends, holidays
- Superload thresholds and conditions
- 6 published fee lines and permit lead time
- Lane routing with miles per state and a cost breakdown
Escort (pilot car) requirements
- 6 width, height and length thresholds with the escort count for each
- Overhang and route-type conditions
Travel restrictions
- 4 restrictions: curfews, night travel, weekends and holidays
- Which ones apply to a given load size
Superloads
- Exact thresholds and what the state requires past them
- Lead times, route surveys and police escort conditions
Permit fees
- 6 published fee lines with links to the fee schedule
- Validity periods and add-on charges
Common questions
When does a load need a pilot car in Oklahoma?
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How wide can a load be on Oklahoma interstates?
Answer available to members. Start free or sign in.
How much is an Oklahoma oversize permit?
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Sources
- OAC 730 Chapter 50, Size and Weight Permits (PDF)
- OAC 730:50-5-18, oversize vehicles and loads (escorts)
- OAC 730:50-5-6, oversize permit conditions
- ODOT permit fee addendum (PDF)
- 47 O.S. § 14-101 (daylight hours, prohibited holidays)
Planning reference. Permits carry their own conditions, and city and county roads have separate rules. Confirm with the Oklahoma DOT Size and Weight Permits before moving a load. Found an error? Report it.
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