Data on traffic accidents in Peoria, Ill since 1941; common traffic signals are acceptable from standpoint of vehicular traffic control; they are unsatisfactory from standpoint of pedestrian control; illustrated description of recommended improvement of signals.
Coordinate street lights and traffic signals
Am City
American City ; 43 , n 8
1948
Article (Journal)
English
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Engineering Index Backfile | 1930
|Street traffic lights at railroad crossings expedite movements
Engineering Index Backfile | 1928