The Railroad Grade Separation Program (RGS) is funded under Category 6 (Structures Replacement and Rehabilitation) of the UTP. Annual funding for the program varies, but is currently at $25 million. Projects and funding are approved on an annual basis by the Texas Transportation Commission. Funding is 80% federal and 20% state.

Projects eligible for the program must be on the state highway system, with a functional classification greater than local road or rural minor collector.

The program is divided into two program areas:

The Texas Transportation Commission approves the funding levels and methods used to prioritize and select projects by Commission Minute Order authorizing the Statewide Transportation Improvement Program (STIP).