RRSignal.com Photo Gallery

Featuring Union Switch & Signal equipment photos
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Most viewed - Chicago Subway
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 UR Interlocking machine, South Portal or 18th St. Interlocking86 views
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 UR Interlocking machine with towerman V.C.Lanier, South Portal or 18th St. Interlocking85 views
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 Signal location A-48 near South Portal82 views
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 Motorman (Charles R. Blade) operating tripper release at signal location A-18 and B-18, 13th St. Interlocking80 views
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 UR Interlocking machine with 1st trick towerman, W.K. Wallace, North Portal80 views
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 Compressors at 13th St. Interlocking74 views
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 Southbound train at signal location A-18 and B-18, 13th St. Interlocking73 views
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 Looking north from Jackson on Continuous Platform showing singal location A-9371 views
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 Power Panel in Compressor Room, 13th St. Interlocking70 views
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 Relay room at 13st. St. Interlocking, showing plug-in relays, RPQ rectifiers, and Ground Detector apparatus70 views
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 Rear of Relay Rack in Relay Room, 13th St. Interlocking69 views
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 Plug-in relays in relay room, North Portal Interlocking69 views
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 G.E. Transformer, power panel, RPQ-41 rectifiers and relay panel in signal room AB-94 on continuous platform near Jackson68 views
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 Compressors at 13th St. Interlocking66 views
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 Relays, transformers, and RPQ-41 rectifiers in signal room AB94 on continuous platform near Jackson66 views
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 Portable CTA Transmitter Unit66 views
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 Power Panel in Compressor Room, 13th St. Interlocking65 views
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 Southbound train at signal location A-18 and B-18, 13th St. Interlocking65 views
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 UR Interlocking machine, North Portal65 views
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 Compressors at 13th St. Interlocking64 views
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 Transformer & terminal panels, North Portal Interlocking64 views
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 Portable CTA Receiver Unit64 views
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 Compressors at 13th St. Interlocking63 views
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 RPQ-121 Rectifier, North Portal Interlocking63 views
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 Lake-Paulina63 views
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 Portable CTA Transmitter Unit63 views
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 Rear of transformer & terminal panel showing North Portal Interlocking62 views
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 Portable Communication System62 views
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 Portable Communication System62 views
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 Portable Communication System62 views
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 Portable CTA Receiver Unit61 views
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 Portable Communication System58 views
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