SUBPART D—Traffic Control Systems (§236.401 to §236.476)
- 236.401—Automatic block signal system and interlocking standards applicable to traffic control systems.
- 236.402—Signals controlled by track circuits and control operator.
- 236.403—Signals at controlled point.
- 236.404—Signals at adjacent control points.
- 236.405—Track signaled for movements in both directions, change of direction of traffic.
- 236.407—Approach or time locking; where required.
- 236.408—Route locking.
- 236.410—Locking, hand-operated switch; requirements.
- 236.426—Interlocking rules and instructions applicable to traffic control systems.
- 236.476—Interlocking inspections and tests applicable to traffic control systems.