49 C.F.R. § 234.245 Signs.
Title 49 - Transportation
Each sign mounted on a highway-rail grade crossing signal post shall be maintained in good condition and be visible to the highway user.
Title 49: Transportation
PART 234—GRADE CROSSING SIGNAL SYSTEM SAFETY
Subpart D—Maintenance, Inspection, and Testing
Maintenance Standards
§ 234.245 Signs.
