49 C.F.R. § 236.307

Current through September 30, 2024
Section 236.307 - Indication locking

Indication locking shall be provided for operative approach signals of the semaphore type, power-operated home signals, power-operated switches, movable-point frogs and derails, and for all approach signals except light signals, all aspects of which are controlled by polar or coded track circuits or line circuits so arranged that a single fault will not permit a more favorable aspect than intented to be displayed.

49 C.F.R. §236.307

49 FR 3385, Jan. 26, 1984