Analysis of costs of lighting 48-mi stretch of heavy density traffic artery US 99-E extending from Portland to Salem, Ore, shows annual operating cost of $72,500; accident toll for one year on this highway included 17 after dark fatalities with 261 night accidents.
What price highway lighting?
Elec Light Power
Electric Light and Power ; 19 , n 7
1941
4 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1937
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