City of DeKalb, Ill., in conjunction with Chicago and North Western has unique installation of crossing protection signals at point where two streets intersect at rightangles with each other and at approximately 45 deg. with crossing of railroad.
Unique crossing signals
Ry. Age
Railway Age ; 82 , n 3
1927
2 pages
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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