The increasing interest in the use of automated photographic equipment in Korea enables to detect speed violation and enforce traffic laws. Since 1996, Korean National Police Agency has been promoting a project for installation of Automated Speed Enforcement (ASE) system aiming at reduction of accidents. The effects of ASE systems throughout Korea have been analyzed: (1) The data collected on a 2km road-section of each 32 ASE stations during the first year period indicate significant safety improvement. The results were (a) a decrease in the total number of accidents of 28% - from 801 to 576, (b) a decrease in the number of fatalities of 60% - from 107 to 43; (2) The study also indicates that ASE systems are effective to reduce average speed, speed variance and short headway; and (3) Based on the operational data collected at 15 locations, an aggregate specification that could help to predict safety level on highways is proposed as a multiple regression form. The primary operational variables that appear to affect the frequencies of accident are average speed, speed variance, and the number of vehicles exceeding 30km/h of posted speed limit. For the covering abstract see IRRD E102946.
Abstract