The Analysis of Determining the Location of Blackspots and Blacksites on the Bypass Road KM 19-27 Padang City using the Accident Equivalent Number and Upper Control Limit Method

Abstract

The Padang City Bypass Road KM 19-27 is a road section that has quite a heavy traffic volume, starting from the Lubuk Minturun intersection to the Flyover towards the Airport, so there is a high possibility of accidents occurring along this road section. This research uses secondary data obtained from the Unit Padang City Police Traffic Accident. The aim of this research is to determine the characteristics of traffic accidents and identify locations prone to accidents on the Padang City KM 19-27 Bypass road during the 2018-2022 period and to provide alternatives for preventing traffic accidents in the future. This type of research uses the Accident Equivalent Number (AEK) method and the Upper Control Limit (UCL) method. If the AEK value is greater than the UCL then it is categorized as an accident-prone location. The results of the analysis of the characteristics of traffic accident data for 2018-2022, the highest was at KM 20 with 16 incidents, based on time, namely 07.00-08.00 WIB, 10 incidents, based on victims, namely minor injuries (LR), 161 victims, and based on causal factors. The main cause of traffic accidents is the human factor. Blackspot location based on analysis using the AEK method with 5 years of data (2018-2022), namely at KM 20 with the highest total AEK value, namely 221. The blacksite location using the AEK method with UCL control limits on the Padang City Bypass road section KM 19-27 is KM 19, 20, 21, 22, 23, 24 and 25. Recommendations for handling traffic accidents on the Padang City Bypass KM 19-27 road, namely by providing education about driving safety, checking vehicles regularly, improving the physical condition of the road and prohibiting pedestrians from walking. at certain points that disrupt traffic.