Railway-highway crossing protective devices
Railway-highway crossing protective devices means those traffic control devices in the Manual on Uniform Traffic Control Devices (MUTCD) specified for use at such crossings; and system components associated with such traffic control devices, such as track circuit improvements and interconnections with highway traffic signals.
Source
23 CFR § 924.3
Scoping language
Unless otherwise specified in this part, the definitions in 23 U.S.C. 101 are applicable to this part. In addition, the following definitions apply: