Near Texarkana, Ark, Texas and Pacific single track main line crosses single track main line of Kansas City Southern, and, within home signal limits, industry track of International Creosoting and Construction Co, crosses K.C.S.; commentary on automatic interlocking which replaces mechanical plant on this track; track and signal plan of automatic interlocking including derails on industry line.
Automatic interlocking involves two crossings
Ry Signaling
Railway Signaling ; 30 , n 5
1937
2 pages
Aufsatz (Zeitschrift)
Englisch
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