Learn More
Log In
Sign Up
Standards | Midpage
Collections
Code of Federal Regulations
Title 49
Chapter II
Part 236
Subpart C
ECFRa4a0826d5e98bb3
Standards
236.301
Where signals shall be provided.
236.302
Track circuits and route locking.
236.303
Control circuits for signals, selection through circuit controller operated by switch points or by switch locking mechanism.
236.304
Mechanical locking or same protection effected by circuits.
236.305
Approach or time locking.
236.306
Facing point lock or switch-and-lock movement.
236.307
Indication locking.
236.308
Mechanical or electric locking or electric circuits; requisites.
236.309
Loss of shunt protection; where required.
236.310
Signal governing approach to home signal.
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
Movable bridge, interlocking of signal appliances with bridge devices.
236.313
[Reserved]
236.314
Electric lock for hand-operated switch or derail.