Between New York, Philadelphia, Baltimore and Washington, 226 mi of multipletrack territory ranging from two tracks to six tracks, Pennsylvania has installed reverse signaling on some sections of track between certain interlockings, so that trains can be operated by signal indication in either direction on same track; traffic-direction locking and clearing of signals; extent of reverse running; controls for reverse signaling; diagram showing location of interlockings presented.
Reverse running on Pennsylvania
Ry Signaling
Railway Signaling ; 39 , n 9
1946
4 pages
Article (Journal)
English
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REVERSE RUNNING WARNING SYSTEM, REVERSE RUNNING WARNING METHOD, AND REVERSE RUNNING WARNING PROGRAM
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