Regulations related to temporary traffic control devices are intended to reduce the likelihood of fatalities and injuries to road users and to workers who are exposed to motorized traffic (vehicles using the highway for purposes of travel) while working on federal-aid highway projects.

Federal regulations exist concerning the use and payment of uniformed law enforcement officers, positive protection measures between workers and motorized traffic, and temporary traffic control devices on construction, maintenance and utility work zones. The regulations apply to all federal-aid highway projects, but state agencies are encouraged to adopt these on other types of projects as well.

The regulations require the LG to adopt TxDOT’s or obtain TxDOT approval for an alternate program. The LG should coordinate the implementation of a temporary traffic control program closely with the TxDOT district office during construction. The state and federal regulations related to the use of temporary traffic control devices are included in of this Manual. Required practices for temporary traffic control devices that must be followed and properly documented are found in Chapter 9 of the .