The product evaluation program evaluates submissions that can benefit TxDOT efforts associated with traffic control, materials, construction and/or maintenance of highways, streets, bridges and related Infrastructure, for use by TxDOT districts or TxDOT contractors. TxDOT does not participate in product development. Eligible products must be non-hazardous and commercially available for purchase by the general public.

Submission Determination

The product evaluation process is as follows:

  1. Review if the product is already approved by TxDOT
  2. Review the Compliant Work Zone Traffic Control Device List. For products that meet a listed device’s requirements, submit to TXDOT address on page U-4.
  3. Review the Roadway Illumination and Electrical Supplies. For products that meet a listed item's requirements, submit per the bottom of page 1.
  4. Review the Division Specifications. For products that meet a Division Specification, submit per the specification's instructions.
  5. Review the Standard Specification Index. For products that meet a Standard Specification, submit per the specification's instructions.
  6. Review the Departmental Material Specification. For materials that meet a Departmental Material Specification, submit per the specification's instructions.
  7. Review the TXDOT Approved Erosion Control Products and Vendors. Erosion control products should be submitted to Sediment and Erosion Control Laboratory (SEC Lab).
  8. If the product does not apply to 1–7, submit a Product Evaluation Request.

Review and Evaluation

TxDOT product evaluation process information can be found in the RTI Research Manual, Chapter 10.

If a need for the product is determined by initial evaluators, the product evaluation administrator will contact you with next steps for a field evaluation. The installation and evaluation shall be performed with TxDOT’s oversight and direction. TxDOT shall provide a location, to be agreed upon, and if needed, traffic control.

The timeline for TxDOT to complete an evaluation varies widely. It is influenced by many factors, including the type of product being evaluated.

  • Note: A review and/or evaluation does not guarantee that a product will be approved.

Favorable Product Evaluations

Selling to TxDOT or contractors – You will need to provide TxDOT's approval documentation and Special Specification signed off.

Unfavorable Product Evaluations and No Interest Letters

Products that receive an unfavorable evaluation or no interest letter may be resubmitted by the vendor 12 months after the response is received. All modifications and changes to the product should be noted on the resubmittal of the product evaluation form.


Approved products are added to the Approved Product List and are listed for three years.

An approved product requires recertification, using Form 2789. Recertification of a product shall occur within its renewal period; 30 days prior to and 30 days after the expiration date.

Manufacturers and vendors are responsible for recertifying its product during the renewal period. The renewal shall certify that the submittal company name nor product has changed names, and the product has not been modified structurally or in any other way from the original product that was approved.

Approved products must be sold to TxDOT, or will not be recertified. Products that are not recertified may be resubmitted by the vendor 12 months after the response is received.

Contact Us

Product Evaluation Project Manager
(512) 416-4730