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Fluid Milk Transport Permit

milk permit imageTxDMV issues an annual permit for the overweight transport of fluid milk on routes approved by the Texas Department of Transportation. The vehicle combination may not exceed Texas legal size limits. The permit is an annual permit that expires one year from the effective date.

The truck-tractor and semitrailer combination must have six axles and must have the following axle distances:

  • 15 feet or more between the first (steer) axle of the truck-tractor and the first axle of the first axle group (drive axles),
  • 36 feet or more between the first drive axle and last trailer axle, and
  • 48 to 54 inches between the axles within each axle group.

The gross weight may not exceed 90,000 pounds. Axle and axle group weight limits are:

  • Truck-tractor single axle – legal weight
  • Two-axle group – 36,500 pounds total
  • Three-axle group – 42,500 pounds total

Note: A vehicle moving with this permit may operate on a federal interstate highway or a state, county, or municipal road if the vehicle displays the permit windshield sticker, has the required number of axles and axle distances, and and does not exceed the maximum gross weight or axle/axle group weight limits. Permit is valid for travel on specific routes that have been approved by the Texas Department of Transportation. Permit applicant must select routes to be traveled at time of application.

TxDOT Approved Milk Permit Routes

Texas Size & Weight Limits

How to Apply

txprosApply and self-issue online through TxPROS

This permit may only be self-issued through TxPROS.

Payment information must be provided with the permit application.

TxPROS Information and Tutorials

Operating Authority

There are no operating authority requirements for issuance of this permit type.

Fees & Payment


The annual permit fee is $1,200.

Fees are payable by:

  • MasterCard, VISA, Discover or American Express (a processing fee will be charged).
  • Funds deposited in a pre-established escrow account
  • Permit Account Card (PAC) or FirstPay Account established through Frost Bank San Antonio (
  • Automated Clearing House (ACH) – Electronic Check (only accepted when ordering online through TxPROS)
  • Cash - No checks, cashier’s checks or money orders (MUST be delivered to a TxDMV Regional Service Center)

A permit fee will not be refunded after the permit number has been issued unless such refund is necessary to correct an error made by the Motor Carrier Division.

Escrow Accounts

FirstPay Accounts

Additional Requirements

  • The vehicle combination must be equipped with a roll stability support safety system and blind spot support systems.
  • You may not operate your vehicle on a load-posted road or bridge if the gross weight of the vehicle combination and load, or the axles and wheel loads, are greater than the established and posted limits.
  • You are responsible for routing and obtaining current restrictions prior to movement.

TxPROS Information and Tutorials

More Information

  • Permit may not be amended.
  • Review your permit for specific curfews and conditions that apply to your load and movement.
  • This is the only permit issued by TxDMV that may be used to transport fluid milk.

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