49 C.F.R. § 214.339 Audible warning from trains.
Title 49 - Transportation
Each railroad shall require that the locomotive whistle be sounded, and the locomotive bell be rung, by trains approaching roadway workers on or about the track. Such audible warning shall not substitute for on-track safety procedures prescribed in this part.
Title 49: Transportation
PART 214—RAILROAD WORKPLACE SAFETY
Subpart C—Roadway Worker Protection
§ 214.339 Audible warning from trains.
