49 C.F.R. § 234.255 Gate arm and gate mechanism.
Title 49 - Transportation
(a) Each gate arm and gate mechanism shall be inspected at least once each month. (b) Gate arm movement shall be observed for proper operation at least once each month. (c) Hold-clear devices shall be tested for proper operation at least once every 12 months.
Title 49: Transportation
PART 234—GRADE CROSSING SIGNAL SYSTEM SAFETY
Subpart D—Maintenance, Inspection, and Testing
Inspections and Tests
§ 234.255 Gate arm and gate mechanism.
