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103 - Signals & Switches

SOP

SOP

Operation of Track Switches
Updated on 10/18/2013
Electric Switch Lock and Switch Point Lock Operation
Updated on 08/11/2017
Dual Control Switches 
Updated on 12/31/2003
Powered Yard Switch Operation
Updated on 05/21/2018
Track Out-of-Service
Updated on 01/12/2015
Use of Interlockings
Updated on 03/04/2005
Use of Interlockings: South Line
Updated on 05/15/2016
OPEARTING CLEARANCE: TEMPORARY RESTRICTIONS
Updated on 10/23/2019
Crossing Gate Hold-Off Feature: Near-Side Stations
Updated on 12/31/2003
HIGH WATER INDICATOR SYSTEM
Updated on 09/16/2019
Switch Indicator Signals
Updated on 05/11/2013
Interpretation of Flashing Green Signal Aspect
Updated on 02/21/2005
Fire Indicator System
Updated on 03/04/2005
Trespasser Intrusion Indicator System
Updated on 03/04/2005
Interpretation of Signal Aspects: E20LA, E20LB
Updated on 03/04/2005
Updated on 06/30/2017
USE OF INTERLOCKINGS: OLD TOWN CORRIDOR
Updated on 09/16/2019