The

TMUTCD

is referenced throughout this manual. The

TMUTCD

contains the standards and basic principles governing the design and usage of traffic control devices in Texas. The provisions of the

TMUTCD

apply to all streets and highways in the state, including those under the jurisdiction of cities and counties. It should be the governing document on any question regarding the application of traffic control devices.

of the

TMUTCD

provides detailed information and guidelines on traffic signal applications, including minimum warrants required for traffic signal installation. Readers are urged to consult the for information and topics not covered in this manual, which only provides additional information specific to TxDOT operations.

The TMUTCD can be found on TxDOT’s , or linked in the previous section.