Two 20-ft retarding barrier units installed at intersection of U S highway 127 with double track line of Saginaw branch of Michigan Central, near Jackson, Mich; two-indication traffic light, displaying red or green aspects, suspended at height of 15 ft above road surface, directly over each barrier unit; existing flashing light signals at crossing continued.
Barriers on Michigan Central
Ry Signaling
Railway Signaling ; 30 , n 5
1937
4 pages
Article (Journal)
English
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