49 CFR Topic
Track Circuits
November 18, 2020
§
236.51
Track circuit requirements
§
236.52
Relayed cut-section
§
236.53
Track circuit feed at grade crossing
§
236.54
Minimum length of track circuit
§
236.55
Dead section; maximum length
§
236.56
Shunting sensitivity
§
236.57
Shunt and fouling wires
§
236.58
Turnout, fouling section
§
236.59
Insulated rail joints
§
236.60
Switch shunting circuit; use restricted
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