CFR /  Title 49  /  Part 236  /  Sec. 236.401 Automatic block signal system and interlocking standards

The standards prescribed in Secs. 236.201, to 236.203, inclusive, Secs. 236.205, 236.206, 236.303, 236.307 and 236.309 to 236.311, inclusive, shall apply to traffic control systems. [49 FR 3385, Jan. 26, 1984]