Use of physics formulas for speed and distance to compute vehicle speed with respect to train speed to avoid collision; computing methods of National Safety Council, American Automobile Association and American Association of State Highway Officials; minimum safe crossing speeds for train and vehicles; maximum safe stopping speed for vehicle; vehicle distance related to train distance; "trap" speeds.
Maximum safe vehicle speeds at railroad grade crossings
Traffic Eng
Traffic Engineering ; 28 , n 9
1958
Aufsatz (Zeitschrift)
Englisch
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