Track and signal plan of interlocking for drawbridge of Chicago, Rock Island and Pacific at Joliet, Ill; derails are dispensed with because installation is in automatic train control territory; call-on signals speed up traffic.
Automatic interlocking for drawbridge
Ry Signaling
Railway Signaling ; 26 , n 8
1933
2 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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