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W.B. signal cleared on Illinois Central for train - Knowles, Ill. interlocking59 views
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Remote control train order signals at Dunn, looking North on Big Four61 views
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Remote control train order signals at Trimble looking north on Big Four62 views
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Southbound passenger passing remote controlled train order signal location at Trimble on Big Four81 views
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Remote control train order signals, Trimble, looking south - Big Four79 views
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North end blind passing siding with remote control train order signals at Trimble, Ill., looking north on Big Four63 views
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Big Four - Remote control T.O. signals, Earnst, Ill.63 views
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Remote control T.O. signals, Trimble - Big Four63 views
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S.B. passenger passing remote control T.O. signals at Trimble - Big Four67 views
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Remote control train order signals at Ernst looking north on Big Four64 views
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Remote control train order signals at Ernst on the Big Four looking north61 views
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Remote control train order signals at Ernst on the Big Four looking north62 views
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W.B. approach signal to Missouri River Bridge - Remote Control - Boonville, Mo. - M. K. T.66 views
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W.B. approach signal to Missouri River Bridge - Remote Control - Boonville, Mo. - M. K. T.71 views
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Looking west at eastbound home signal location remote control, Missouri River Bridge - Boonville - M. K. T.72 views
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Looking east toward Missouri River Bridge from eastbound home signal, remote control - M. K. T. - Boonville78 views
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Train approaching Boonville Bridge - M. K. T.70 views
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Looking east toward end of double track and S-1 spring switch movement - Wabash RR, Birmingham, Mo.66 views
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Looking west toward S-1 spring switch layout on Wabash at Birmingham, Mo.75 views
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Passenger train trailing through S-1 mechanically locked spring switch at 50 m.p.h., Birmingham, Mo. - Wabash RR73 views
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S-1 mechanical locked spring switch layout on the Wabash at Birmingham, Mo.74 views
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Wabash eastbound freight trailing through S-1 facing point lock spring switch, Birmingham, Mo, about 45 mi. per hr.63 views
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Burlington freight at Birmingham, Mo. interlocking64 views
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Burlington freight at Birmingham, Mo. interlocking64 views
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Westbound Burlington freight at Graham Jct. remotely controlled from receiving yard interlocking, Galesburg62 views
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Eastbound passenger crossing back to right main - Willow Springs, Ill. - A. T. & S. F. 66 views
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A. T. & S. F. Eastbound passenger crossing back to right main - Willow Springs, Ill.60 views
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A. T. & S. F. Eastbound passenger crossing back to main - Willow Springs, Ill.63 views
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Automatic interlocking - Kansas - A. T. & S. F. 84 views
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Looking south toward end double track at El Dorado. Layout controlled from New Portage Jct. - P.R.R.83 views
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Looking north at end double track El Dorado. Switch and signals controlled from New Portage Jct. interlocking four miles away - P.R.R.72 views
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Highway cross. signals at N.B. home signal for El Dorado, end double track - P.R.R.96 views
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