Simplified control system used at C. and A. -- N. Y. C. crossing at Streator Junction, Ill.; brief description of color-light signals and emergency release switch, also relay box at crossing.
Automatic interlocker saves over 8000 train stops annually
Ry. Signaling
Railway Signaling ; 22 , n 11
1929
3 pages
8 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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