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Semaphores
Fixed Semaphore Locations Semaphore Locations


CPLs [Color Position Light Signals]
High Mast CPL Locations Dwarf CPL Locations


Searchlights
Searchlight Locations
GRS SA
US&S H-2
US&S H-5
Dwarf Searchlight Locations
GRS SA
US&S H-2
US&S H-5


Subway Signals
Union Switch and Signal Subway Signals
in Downtown Chicago
General Railway Signal Co Subway Signals
in Downtown Chicago


Signal Movies Or Related
Movies Animated Signals


Trilight Signal Heads
Trilight Signal Locations
GRS G
Safetran V-20R
US&S TR-2
Dwarf Trilight Signal Locations
GRS L
GRS MF


Signal Replacements
Signals That Are Being Replaced.


Horizontal Signal Heads
Horizontal Signal Locations
GRS E


Vertical Signal Heads
Vertical Signal Locations
US&S R-2
US&S N-2
GRS D
L&W
Safetran CLS-20R
Safetran CLS-10
Dwarf Vertical Signal Locations
Safetran CLS-10D
US&S N2
GRS ME
GRS MD
GRS F
GRS FA


Dwarf Unilens Vertical Signal Heads
Dwarf Vertical Signal Locations
Safetran IW10RT
Safetran IW20RT


PL Signals [Position Light]
PL Signal Locations
US&S PL-2
Dwarf PL Signal Locations
US&S PL-4


General Aspects*
1953, B&O Aspects 1996, CSX Aspects
1985, Chicago Transit Authority 1944, New York City (IND, BMT, and IRT Divisons)
1966, L&N


Wigwag Locations
Wigwag Locations
WRRS Model 5
US&S DW


Crossing Signal Locations
Crossing Signal Locations
* Some Information my not be correct