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Portable Buildings Single-Trip Permits

Order a Permit Now!

The Texas Department of Transportation issues a single-trip permit for the transportation of portable buildings and portable building compatible cargo. A permit is required for a vehicle or vehicle combination transporting one or more portable buildings and portable building compatible cargo that exceeds Texas legal size and weight limits.

How Do I Apply?

Customers may use Online Permits (CPS) to apply for and receive a permit, submit Form 106, Permit Fax Application [pdf, 1 page, 25kb] by fax (512) 465-3565, or use Form 1700, Texas Self-Issue Application and Permit [pdf, 2 pages, 35kb] by telephone (800) 299-1700. Customers must include payment information when applying for a permit.

Fees

The fee for this permit is $15. If portable building unit compatible cargo is transported, the department will also collect an additional fee equal to the regular single-trip permit fee.

Fees are payable by

Permit fees are nonrefundable.

Escort Requirements

  • A portable building unit or portable building compatible cargo with a width exceeding 16' must have a front escort vehicle on two-lane roadways and a rear escort vehicle on roadways of four or more lanes.
  • A portable building unit or portable building compatible cargo with a width exceeding 18' must have front and rear escorts on all roadways.
  • The escort vehicle must have one red 16" square flag mounted on each of the four corners of the vehicle, a sign mounted on the front and rear of the vehicle displaying the words "WIDE LOAD" in black letters at least 8" high with a brush stroke at least 1.41" wide against a yellow background, and an amber light or lights, visible from both front and rear, mounted on top of the vehicle and be two simultaneously flashing lights or one rotating beacon of not less than 8" in diameter.
  • See additional escort requirements and escort vehicle equipment requirements.

Additional Information

  • The permit will be issued for a single continuous movement from a specific origin to a specific destination, for an amount of time necessary to make the move (not to exceed 10 consecutive days).
  • Portable buildings may be loaded end-to-end to create an overlength permit load, provided the overall length does not exceed 80’.
  • Portable buildings must not be loaded side-by-side to create an overwidth load, or loaded one on top of another to create an overheight load.
  • A portable building or portable buildings must be loaded in a manner that will create the narrowest width for permit purposes and provide for greater safety to the traveling public.
  • Movement of the permitted vehicle must be made during daylight hours only.
  • If a portable building exceeds 14' high or 80' long when loaded on a trailer, a general oversize permit must be obtained.
 
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