Sections
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236.301
§ 236.301 Where signals shall be provided. -
236.302
§ 236.302 Track circuits and route locking. -
236.303
§ 236.303 Control circuits for signals, selection through circuit controller operated by switch points or by switch locking mechanism. -
236.304
§ 236.304 Mechanical locking or same protection effected by circuits. -
236.305
§ 236.305 Approach or time locking. -
236.306
§ 236.306 Facing point lock or switch-and-lock movement. -
236.307
§ 236.307 Indication locking. -
236.308
§ 236.308 Mechanical or electric locking or electric circuits; requisites. -
236.309
§ 236.309 Loss of shunt protection; where required. -
236.310
§ 236.310 Signal governing approach to home signal. -
236.311
§ 236.311 Signal control circuits, selection through track relays or devices functioning as track relays and through signal mechanism contacts and time releases at automatic interlocking. -
236.312
§ 236.312 Movable bridge, interlocking of signal appliances with bridge devices. -
236.313
§ 236.313 [Reserved] -
236.314
§ 236.314 Electric lock for hand-operated switch or derail.