34 42 00 Railway Signaling and Control Equipment
34 42 16 Train Control Wires and Cables
34 42 13 Railway Signals 34 42 13.13 General Railway Signal Requirements 34 42 13.16 Signal Solid State Coded Track Circuits 34 42 16 Train Control Wires and Cables 34 42 19 Vital Interlocking Logic Controllers 34 42 23 Railway Control Equipment 34 42 23.13 Mainline Train Control Room Equipment 34 42 23.16 Yard Train Control Room Equipment 34 42 23.19 Integrated Control Equipment 34 42 23.23 Interlocking Railway Control Equipment 34 42 26 Rail Network Equipment 34 42 29 Station Agent Equipment 34 42 33 Yard Management Equipment 34 42 36 Supervisory Control and Data Acquisition