34 42 00 Railway Signaling and Control Equipment
34 42 23.13 Mainline Train Control Room Equipment
34 42 13Railway Signals34 42 13.13General Railway Signal Requirements34 42 13.16Signal Solid State Coded Track Circuits34 42 16Train Control Wires and Cables34 42 19Vital Interlocking Logic Controllers34 42 23Railway Control Equipment34 42 23.13Mainline Train Control Room Equipment34 42 23.16Yard Train Control Room Equipment34 42 23.19Integrated Control Equipment34 42 23.23Interlocking Railway Control Equipment34 42 26Rail Network Equipment34 42 29Station Agent Equipment34 42 33Yard Management Equipment34 42 36Supervisory Control and Data Acquisition