Vehicles or loads that exceed Texas legal size and weight limits must have an oversize/overweight (OS/OW) permit and an authorized route, when applicable, issued by the TxDMV before traveling on Texas’s public roadways.
Before applying for a permit, you must know the exact dimensions and weight of your vehicle and load. This information is required to determine whether a permit is needed and to select the correct permit type.
If your vehicle or load requires a permit, you can:
- Log in to the Texas Permitting & Routing Optimization System (TxPROS) and use the Permit Wizard to determine the permit types available to you, or
- Call the Oversize/Overweight Permits Office at (800) 299-1700 for assistance.
For TxPROS training and step-by-step guidance, visit the Outreach & Training page.
Hours of Operation
Oversize/Overweight Permits Office
Monday – Friday, 8 a.m. – 4:30 p.m.
Note: The toll-free phone line closes at 4:30 p.m. each business day.
Permit Options
General Single-Trip
- Non-divisible load
- Single, continuous movement from Point A to Point B
Manufactured Housing Single-Trip
- Transport manufactured housing and industrialized buildings and housing
- Single, continuous movement from point A to point B
- Valid for five days
Portable Building
- Transport portable buildings and compatible cargo
- Single, continuous movement from Point A to Point B
Superheavy
- Non-divisible load
- Gross weight may exceed 254,300 lbs. or 200,000 lbs. with less than 95 feet of axle spacing
- May exceed maximum permit weights on axle or axle group
House Move
- Transport houses that exceed 20-feet wide
- Single, continuous movement from Point A to Point B
Intermodal Shipping Container Port Permit
- Intermodal shipping containers
- Travel within 30 miles of port authorities or ports of entry
- Valid for one year
Unladen Lift Equipment Motor Vehicle & Well Service Unit Mileage
- Fixed-load machinery used to drill, service or clean oil wells
- Single, continuous movement
Self-Propelled Off Road Equipment
- Drive off-road equipment on state roadways
- Single, continuous movement from Point A to Point B
Temporary Registration
- Temporary movement of vehicles without proper registration
- Document carried in cab of vehicle, not a paper display tag
- 72-hour, 144-hour or one-trip
30/60/90 Day Width or Length
- Non-divisible loads
- Use width and length permits in conjunction with one another
- Select 30, 60 or 90 day effective period
Company Specific Envelope
- Non-divisible loads
- Can be used to operate any truck owned or leased by company one at a time
- Valid for one year
Fracking Trailer
- Semitrailer containing a tank and pump unit
- Valid for one year
Quarterly Hubometer
- Drive or transport hubometer-equipped fixed-load machinery and unladen lift equipment motor vehicles
- Mileage based fees
- Valid for 91 days
Implements of Husbandry
- Transport farm implements used to till soil
- Valid for one year
- Transport and spread fertilizer
- Deliver feed to livestock
Manufactured Housing Annual
- Transport new homes to temporary storage location (20 mile radius)
- May be used by multiple vehicles
- Valid for one year
Unladen Lift Equipment Motor Vehicle (Annual)
- Exceeding width and weight limits
- Valid for one year
Well Servicing Unit (Annual)
- Legal size and weight units
- Must have Texas "P" (Permit) plate
- Valid for one year
Over Axle/Over Gross Weight Tolerance
- Haul divisible commodities
- Travel on state-maintained and county roads in select counties
- Valid for one year
Utility Pole
- Transport poles required for electrical power transmission and line distribution
- Night movement allowed for emergencies
- Valid for one year
Water Well Drilling Machinery & Equipment
- Self-propelled or mounted machinery used exclusively for drilling water wells
- Valid for one year
Annual Timber Permit
- Transport unrefined timber, wood chips or woody biomass
- Travel on state-maintained and county roads in select counties
- Valid for one year
Ready-Mixed Concrete Trucks
- Trucks operating on three axles
- Travel on state-maintained and county roads in select counties
- Valid for one year
Federal Disaster Relief Permit
- To deliver relief supplies (entire load must be relief supplies)
- To assist in expediting debris removal
- Expires 120 days from date of President's disaster declaration
North Texas Intermodal Permits
- Intermodal shipping containers
- Travel within five miles of Texas/Arkansas border
- Valid for one year
Fluid Milk Transport Permit
- Transport fluid milk
- Travel on dairy routes approved by TxDOT
- Valid for one year
