Assessment of road safety using a road safety inspection framework for local highways: a case study of Phoprajak subdistrict, Tha Chang district, Sing Buri province
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Abstract
Road accidents are a major cause of death among Thais. In addition to the driver and vehicle conditions, other key risk factors contributing to road accidents include unsafe road conditions and road environments. This study aims to assess the safety of roads and their environments through a survey-based approach. Data was collected by surveying road conditions every 200 meters along three main roads in Phoprajak Subdistrict, Sing Buri Province, using the Road Safety Survey for Local Roads by the Department of Rural Roads. The Local Road Safety Index (LRSI) was analyzed using descriptive statistics. The results showed that the safety levels of all three main roads of Moo 2, 3, and 4 in Phoprajak Subdistrict were rated as good to very good. Specifically, Road 1 had an LRSI of 90.54% (very good safety), Road 2 had an LRSI of 82.32% (good safety), and Road 3 had an LRSI of 76.83% (good safety). Upon evaluating the road environment, risk factors that contributed to unsafe conditions were identified, including incomplete warning devices at intersections or curves, obstructed visibility due to barriers, lack of street lighting, and uneven road surfaces. Therefore, in order to maintain the safety levels of roads at a good to very good standard, the relevant authorities should conduct annual road safety assessments and implement additional measures to reduce the risk of road accidents in the area.
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