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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 Train Control Governor81 views
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 Proximity Detector N.Y.C.T.A. Automatic Gap Filler Application - Lexington Ave. to 14th St.81 views
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 Jackass Flats - Original AEC remote control equipment81 views
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 Plug-in relays in relay room - North Portal Interlocking - Chicago Subway and Elevated, C.R.T.81 views
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 Relay Case Wired Complete - Central of Georgia Crossing81 views
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 Double Vertical Relay and Terminal Cases - N.Y. Board of Transportation - Westchester Yard81 views
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 City of Philadelphia - Plug-in Relay Cases81 views
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 A.C.L. Manchester to Atlanta CTC Relay House81 views
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 HM Relay House (Interior showing relay racks)81 views
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 HM Relay House - 8'-6" x 19'-4"81 views
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 HM Relay House - 8'-6" x 19'-4"81 views
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 HM Relay House - 8'-6" x 19'-4"81 views
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 Eastbound home signal, Tower "A" - Allegheny Summit CTC - C. & O.81 views
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 Westbound freight passing Tower "A" - Allegheny Summit CTC - C. & O.81 views
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 Looking west at Tower "A"- Allegheny Summit CTC - C. & O.81 views
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 Signal location exactly on water shed - Allegheny Summit CTC - C. & O.81 views
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 Double signal location south of LaGrange, O., Looking north - Big Four RR81 views
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 Automatic signal bridge west of Seward, Pa. - P.R.R.81 views
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 Westbound passenger at signal bridge near Seward, Pa. - P.R.R.81 views
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 Highway cross. signals at N.B. home signal for El Dorado, end double track - P.R.R.81 views
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 3 Position - 2 Element Vane Type Relay81 views
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 RTA-22 Rectifier81 views
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 RE-281 views
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 RV-1 Rectifier81 views
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 RV-781 views
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 Steady Energy Track Circuit81 views
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 514 Field Extension Unit, 514 Field Extension Unit (6 relay)81 views
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 MPR revised Maintainers Telephone Repeater81 views
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 Sewell - MacDougal80 views
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 "R" Cabin - Fulton Installation80 views
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 Peru - Griffith Installation80 views
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 Peru Installation - 15' TCC Console 80 views(right back)
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