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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 Relay Case Wired Complete and Strapped for Shipment. Double Automatic Signal Location - Seaboard89 views
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 SN Interlocking - Leavittsburg, Ohio - Erie Railroad89 views
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 Model of Relay House Prepared for Union Pacific89 views
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 HM Relay House Interior (D.M.&I. RR)89 views
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 Two-frequency I.T.C. Equipment for P.R.R. - Separable Connector - Locomotive portion Complete89 views
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 Two lever operating stand with SL-20 Electric Locks for Hand Operated Switches in platform area - Cincinnati Union Terminal89 views
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 #53 southbound passenger train, passing north end Weston - No. Lima to Roachton CTC - B. & O. R.R.89 views
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 Rock Island Train at Polo, Mo. - CTC installation - Rock Island - Milwaukee89 views
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 PTV-42 Relay - Glass cover on and removed89 views
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 MOD 1-A Computer URR89 views
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 Solid State Power Sub Station equipment LIRR89 views
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 Schmitt General Purpose Trigger Board89 views
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 PCB General Purpose Boards89 views
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 PCB General Purpose Boards89 views
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 PCB General Purpose Boards89 views
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 Type L Form 510 Code Control System for single station89 views
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 Coding Unit for Sequence Code Control System89 views
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 Huntington - "DK"88 views
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 Glencoe to Milbank88 views
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 Signal Tower to S.88 views
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 Fort Worth - Dallas88 views
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 CTC machine88 views(unknown)
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 Erie Crossing88 views
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 Peoria - Farmdale88 views
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 86th St. Auxiliary Switch Indicator Panel88 views
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 7'-6" Style C (Bowling Green)88 views
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 Brayton Ave.88 views
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 Ridgefield Park CTC 2'-6" Cabinet (back)88 views
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 CTC machine, Russian R.R.88 views
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 CTC installation88 views
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 New House No. 25 Nonoalco Crossing88 views
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 Pittsburgh Jct. - Connellsville88 views
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