Traffic Safety Assessment of Deceleration Function Area Based on TTC Model
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Sections of tunnel entrances, industrial and mining schools with deceleration function zones are high-traffic zones due to their special traffic conditions. The instability of the car during the deceleration process and the driver’s wrong deceleration operation may be important causes of traffic accidents. In order to improve the driving safety in the road deceleration function zone, the traffic flow at the entrance to Tianhe North Tunnel in Guangzhou City is taken as the research object, and we evaluate the traffic safety in the road deceleration function zone. The results show that speed standard deviation is a good predictor of potential risks, and speed standard deviation can be used to actively assess road safety. The research results help to further to optimize the driving behavior in the deceleration functional area and improve the safety of traffic flow in the deceleration functional area.
KeywordsDeceleration functional area Potential collision risk Traffic safety assessment
This research was funded by the National Natural Science Foundation of China under grant number 71701070, the Science and Technology Project of Guangzhou City under grant number 201804010466, the Fundamental Research Funds for the Central Universities under grant number 2019MS120.
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