Wyoming oversize permit office
Wyoming Highway Patrol, Commercial Carrier - Overweight Loads Office (Cheyenne). Call (307) 777-4376 Mountain time.
From Wyoming's own pages, checked 2026-10-24. Fees and rules change: the state's page is the last word.
- How to get one
- Apply online in the CMV E-Permitting system or through a Wyoming Port of Entry; loads over 18' wide, 17' high, 120' long or 160,000 lbs go to the Overweight Loads Office in Cheyenne.
- Single trip fee
- Non-divisible oversize: $25.00 - Plus $0.03 per foot per mile for dimensions in excess of 15' wide, high, or long; non-divisible overweight: $40.00 minimum - $0.06 per ton per mile on the greatest excess weightSource
- Legal without a permit
- Width 8' 6" · Height 14' · Length 60' - Single unit or semi-trailer in a truck-tractor, semi-trailer combination · Weight 80,000 pounds - Table II (primary and secondary); up to 117,000 pounds by formula (Table I), including InterstateSource
- Superloads
- Loads over 18' wide, 17' high, 120' long (combination) or 160,000 lbs gross (or axles over 25,000 single, 55,000 tandem, 65,000 triple) must be cleared by the Overweight Loads Office in Cheyenne instead of a Port of Entry.Source
When you can move
- Daylight
- Oversize loads move in daylight only: half an hour before sunrise to half an hour after sunset.Source
- At night
- Night moves only with Highway Patrol permission, for loads up to 10 ft wide on interstates only, or for some long single units (over 60 ft, combination under 110 ft or single unit up to 75 ft).
- Holidays
- New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day. Loads that need escorts stop from half an hour after sunset the evening before until half an hour before sunrise the day after; for a three-day holiday weekend the whole weekend is closed, and a Saturday or Sunday holiday closes Thursday or Friday evening through Monday or Tuesday morning. Next datesSource
- Rush-hour curfews
- 1 in Wyoming, such as Primary and secondary highways (loads over 18 ft wide): No travel during local school bus or heavy commuter hours, as set by the Overweight Loads Office. All of them