Federal (United States) · Regulations
Subpart B — Automatic Block Signal Systems
7 sections
7 sections
- 49 C.F.R. § 236.201Track-circuit control of signals.
- 49 C.F.R. § 236.202Signal governing movements over hand-operated switch.
- 49 C.F.R. § 236.203Hand operated crossover between main tracks; protection.
- 49 C.F.R. § 236.204Track signaled for movements in both directions, requirements.
- 49 C.F.R. § 236.205Signal control circuits; requirements.
- 49 C.F.R. § 236.206Battery or power supply with respect to relay; location.
- 49 C.F.R. § 236.207Electric lock on hand-operated switch; control.