RRSignal.com Photo Gallery

Featuring Union Switch & Signal equipment photos
No touchups - No watermarks - Enjoy!
Fixed SQL errors - More photos coming in 2022

Most viewed
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 Factory wired rack for Plug-in Relays (all relays in place)72 views
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 Montreal Installation Office Coding Unit (back view)72 views516A Multiplex Code Control System
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 Montreal Installation Field Coding Unit (back view)72 views516A Multiplex Code Control System
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 Cast Iron Relay Cases - Subway type with Plug-In Relays - Hudson & Manhattan R.R.72 views
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 Highway crossing installation at Greenville - B.&L.E. RR.72 views
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 Automatic signal installation between Bureau, Ill. and Peoria on the Rock Island72 views
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 RS Case 3' 3-1/2" (with hinged rear door)72 views
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 A.C.L. Manchester to Waycross CTC Relay House - N.E. Osterfield72 views
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 A.C.L. Waycross to Folkston CTC Relay House at Burch, Ga.72 views
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 Coupling Unit72 views
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 Looking west from platform, White Sulphur Springs - C. & O. Rwy.72 viewsAutomatic Signal Installation
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 Red Oak to Balfour C.T.C. - C. B. & Q.72 views
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 Crossing Gate Mechanism72 views
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 Trial sign for highway traffic control on Penna. turnpike72 views
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 HC-81 Highway Crossing Signal72 views
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 M-27 Switch Movement72 views
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 Redispatching by C.T.C. in Territory Handling 25 Trains Daily72 views
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 72 views
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 Roller Bearing on long switch points72 views
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 Line drawing of 95-A-346172 views
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 Line drawings for advertisment S-3730 "Union I.T.C. speeds car icing on the P.R.R."72 views
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 Map of C.T.C. machine Installations72 views
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 Infomat72 views
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 C.M.St.P. & P. R.R. - Airline Yard - Track Indicator on Speed Control Panel72 views
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 Steady Energy Track Circuit72 views
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 PCB General Purpose Boards72 views
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 570 Code System Equipment72 views
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 570 Code System Equipment72 views
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 72 views
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 Train Graph for C.T.C.72 views
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 K.P. Relay Unit and Rack72 views
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 Test Set for 504-B and 504-C72 views
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