The Study of Urban Factors Influencing on Road Safety through Public Participation Process

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Pawinee Iamtrakul
Yongtanit Pimonsatian
Sirinthorn Narinsilp


In the recent year, more than 100,000 road accidents occurred in Thailand have been a key evidence to call for an in depth understanding for alleviating this complex situation. Due to road accident consequence primarily from human, vehicle, and environmental contributing factors, these several factors bring up the question of the effects of each factor on road safety. This study carried out to identify the impact of each factors inducing on road accidents in urban area by focusing on controllable factors. Base on this approach, the data was collected by means of questionnaire survey to assess the road users’ attitude on risk factors in accordance with fatalities, injuries and economic losses. Then, its relationship can be analyzed by using Analytical Hierarchy Process (AHP). This powerful tool for analyzing a structured data with complex decisions can provide the understandable linkage of accident production factors. By performing the analysis, it was found that not only the unsafe component of road environment, but the urban factors also significantly contribute to the deterioration of road safety situation. With a more precisely geographical approach, the potential for traffic crashes in urban area can be identified and help to alleviate or improvement on the practical applications to be used by city planners, traffic safety engineers and concerned authorities.


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