For several years Police Department of Detroit Automobile Club and Board of Education have been conducting active public safety work with varying success; year 1928 closed with net reduction of 19 per cent in motor vehicle fatalities; traffic program proposed by H. M. Gould, head of Traffic Survey Bureau.
Detroit applies the facts
Nat. Safety News
National Safety News ; 19 , n 3
1929
4 pages
6 Figs.
Aufsatz (Zeitschrift)
Englisch
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