From:

Humberto “Tito” Gonzalez Jr., P. E., Director, Transportation Planning and Programming

Manual:

Texas Reference Marker (TRM) System User’s Manual

Effective Date:

March 14, 2025

The Transportation Planning and Programming Division (TPP) has retired and removed the Texas Reference Marker (TRM) System User’s Manual from the Online Manuals system. Current information on data management of the state highway system is available in the

For more information or questions, please contact Mildred Litchfield, Deputy Director, at .

Past manual notices are available in a .