Belt Railway of Chicago has installed new route type interlocking which includes switches at east end of clearing yard and crossing of double track mainline of Grand Trunk Western with four belt tracks; new interlocking plant consists of 7 crossovers, 11 turnout switches and 20 searchlight signals, all controlled from route type control machine in new one story concrete block tower.
Relay interlocking saves time
Ry Signaling Communications
Railway Signaling and Communications ; 50 , n 3
1957
3 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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