Temporary slow speed, proceed at indicated speed	Beginning of time control	Proceed at speed indicated denoted in miles per hour
Reduce speed "20" denotes miles per hour, IRT Only	Beginning of grade timing section, "10" denotes miles per hour	Beginning of station timing section, "10" denotes miles per hour
Resume speed, "10" denotes number of cars	Station car stop sign for all trains except R-type	Reverse movement car stop sign for locations other than station platforms, "4" denotes number of cars
Gap filler sign located near the 10 car station car stop sign	End of signal control sign, prepare to stop within vision	Station platform sign for station with system telephone on platform level
Reduce speed in tunnel - IRT Only	Diverging route "15" denotes miles per hour	Do not exceed series speed, master controller must not be advanced beyond series position
Station car stop sign, "#" denotes number of cars	Station car stop sign, "#" denotes number of R-type cars	Railroad crossing
Coasting	Stop	Fouling point
Employee loading platform	Emergency telephone location	Fire extinguisher location
No clearance sign- no clearance stripe
Conductors Indicator Board

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Descriptions and graphics on this page (unless otherwise noted) are Copyright © 1997-2002 Bernard S. Greenberg (contact).