Mar 1954 n 6 p 201-3, 206: Location of school crossings; restrictive control; evaluation of safety factors. Apr n 6 Apr p 235-45: School traffic signals; personnel at crossings; setting up of program.
Traffic controls in vicinity of school zones
Traffic Eng
Traffic Engineering ; 24 , n 6-7
1954
Aufsatz (Zeitschrift)
Englisch
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