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FrenchReturn to: Home > Subway Tech > Subway Signals: A Complete Guide
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Temporary slow speed, proceed at indicated speed
| Beginning of time control
| Proceed at speed indicated denoted in miles per hour
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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
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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
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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
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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
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Station car stop sign, "#" denotes number of cars
| Station car stop sign, "#" denotes number of R-type cars
| Railroad crossing
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Coasting
| Stop
| Fouling point
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Employee loading platform
| Emergency telephone location
| Fire extinguisher location
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No clearance sign- no clearance stripe
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Conductors Indicator Board
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Those who find themselves drawn to and fascinated by NYC Subway Signalling would do well to check out the NY City Signal and Interlocking Simulator (NXSYS) by the author of this page, which not only includes far more detailed information on subway signalling, but a complete implementation of it down to the level of electrical relays, as well as real-time track graphics and more.
Descriptions and graphics on this page (unless otherwise noted) are Copyright © 1997-2002 Bernard S. Greenberg (contact).
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http://www.nycsubway.org/articles/signals_sign.html
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