Human Aspects of the Mid-Air Collision Prevention Program
Motor Vehicle Speed, Volume, Weight and Travel Times
Traffic Control and Roadway Elements Their Relationship to Highway Safety
Congestion Analysis - Speed Delay Study, Us99W I-5, Portland, Oregon
Warrants for Highway-Highway Grade Separations Projects: An Annotated Bibliography
The Effect of Ramp Type and Geometry on Accidents
The Effectiveness of Short Individual Driver Improvement Sessions
Highway Safety, 1963 and 1964: Nine Reports
Effect of Television Surveillance on Police Response Time to an Urban Freeway Incident