Traffic signal control, pedestrian regulation and accident analysis of recent traffic survey; one of features of Detroit installation is "split" amber principle in which amber light is used only to warn moving traffic of impending change in signal aspects, amber light not being used to warn standing vehicles; traffic accidents; describes method of reporting accidents which gives in summarized form information regarding type of accidents, persons involved, type and condition of vehicles, time and place of occurrence.
Detroit traffic situation
Elec. Traction
Electric Traction ; 24 , n 2
1928
2 pages
1 Fig.
Aufsatz (Zeitschrift)
Englisch
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