49 CFR Topic
Standards
November 18, 2020
§
236.201
Track-circuit control of signals
§
236.202
Signal governing movements over hand-operated switch
§
236.203
Hand operated crossover between main tracks; protection
§
236.204
Track signaled for movements in both directions, requirements
§
236.205
Signal control circuits; requirements
§
236.206
Battery or power supply with respect to relay; location
§
236.207
Electric lock on hand-operated switch; control