TxDOT 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 (TxPROS)to apply for and receive a permit, submit Form 106, Permit Fax Application by fax (512) 465-3565, or use Form 1700, Texas Self-Issue Application and Permit 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

credit card ($1 service charge)
PAC-Permit Account Card
by pre-established escrow account
personal check, business check, cashier's check, or money order, payable to the Texas Department of Transportation, or cash (MUST be delivered to a cash office).

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.