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http://dx.doi.org/10.12652/Ksce.2015.35.3.0679

Development of Optimum Traffic Safety Evaluation Model Using the Back-Propagation Algorithm  

Kim, Joong-Hyo (KOROAD)
Kwon, Sung-Dae (Cheonnam National University)
Hong, Jeong-Pyo (Korea Expressway Corporation)
Ha, Tae-Jun (Cheonnam National University)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.35, no.3, 2015 , pp. 679-690 More about this Journal
Abstract
The need to remove the cause of traffic accidents by improving the engineering system for a vehicle and the road in order to minimize the accident hazard. This is likely to cause traffic accident continue to take a large and significant social cost and time to improve the reliability and efficiency of this generally poor road, thereby generating a lot of damage to the national traffic accident caused by improper environmental factors. In order to minimize damage from traffic accidents, the cause of accidents must be eliminated through technological improvements of vehicles and road systems. Generally, it is highly probable that traffic accident occurs more often on roads that lack safety measures, and can only be improved with tremendous time and costs. In particular, traffic accidents at intersections are on the rise due to inappropriate environmental factors, and are causing great losses for the nation as a whole. This study aims to present safety countermeasures against the cause of accidents by developing an intersection Traffic safety evaluation model. It will also diagnose vulnerable traffic points through BPA (Back -propagation algorithm) among artificial neural networks recently investigated in the area of artificial intelligence. Furthermore, it aims to pursue a more efficient traffic safety improvement project in terms of operating signalized intersections and establishing traffic safety policies. As a result of conducting this study, the mean square error approximate between the predicted values and actual measured values of traffic accidents derived from the BPA is estimated to be 3.89. It appeared that the BPA appeared to have excellent traffic safety evaluating abilities compared to the multiple regression model. In other words, The BPA can be effectively utilized in diagnosing and practical establishing transportation policy in the safety of actual signalized intersections.
Keywords
Signalized intersection; Traffic conflict; Traffic accident; Multiple regression model; Back-propagation algorithm;
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Times Cited By KSCI : 7  (Citation Analysis)
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