Abstract
Maintaining safe highways is one of the most pressing issues facing highway engineers, law-enforcement officers, and traffic safety communities at large. This article analyzes the effects of automated speed enforcement (ASE) systems on traffic-flow characteristics and safety in Korea. Data collected from road sections at each ASE station initially installed in 1987 showed significant decreases in total numbers of accidents and fatalities. The ASE system was effective in reducing average speed, speed variance, and the proportion of short headways. (Author/Publisher)