234.1—Scope.
This part imposes minimum maintenance, inspection, and testing standards for highway-rail grade crossing warning systems. This part also prescribes standards for the reporting of failures of such systems and prescribes minimum actions railroads must take when such warning systems malfunction. This part also requires particular identified States to develop State highway-rail grade crossing action plans. This part does not restrict a railroad or a State from adopting and enforcing additional or more stringent requirements not inconsistent with this part.
[75 FR 36558, June 28, 2010]