RRSignal.com Photo Gallery

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


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Maintainers and computer racks25 views
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Maintainers and computer racks21 views
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Automatic Switching Equipment31 views
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Automatic Switching Equipment with maintainer28 views
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Automatic Switching Machine28 views
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Cab, hump and trimmer signal controls on automatic switching machine29 views
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Cab signal in hump locomotive30 views
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Trimmer signal29 views
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Switch machine positioned ahead of each cut24 views
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Switch machine29 views
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Model 31 car retarder with HS-1 valves in foreground24 views
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HS-1 valve24 views
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Car weighing device24 views
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Car passing over car weighing device24 views
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Car wheel counter for track fullness24 views
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Car approaching car wheel counter24 views
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E. Conway Hump with W. Conway in background25 views
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NMEA Building and General Yardmasters office30 views
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NMEA Building and General Yardmasters office26 views
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Differential Pressure Unit29 views
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Differential Pressure Unit27 views
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Differential Pressure Unit26 views
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Auxiliary Exhaust Valve29 views
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Car speed is measured as each cut goes through master retarder27 views
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Cars are cut near top of crest26 views
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Car rollability on tangent track on car weight are measured near crest of hump27 views
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Car speed is measured as each cut goes through master retarder31 views
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Classification track from retarder control tower32 views
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Wheel counter and group retarder31 views
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Group retarders and classification tracks28 views
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Cars roll past yardmasters office into classification track28 views
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Operator at Retarder console33 views
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