Abstract
The purpose of this study was (a) to determine which geometric variables contribute most to accidents and (b) to predict the accident potential of a certain section of Louisiana Highways. The accident records investigated cover a 5-year period from 1962 to 1966.The variables studied in order to find their relation to accidents were percentage. of trucks, traffic volume, lane width, shoulder width, pavement cross slope, horizontal alignment, vertical alignment, percentage of continuous obstructions, marginal obstructions per mile and traffic access points per mile.