Effectiveness Evaluation on Traffic Accident Black Spot in Mountain Highway with Sharp Radius of Horizontal Curve

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Effectiveness Evaluation on Traffic Accident Black Spot in Mountain Highway with Sharp Radius of Horizontal Curve
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                        PAN XiaodongPAN Xiaodong
School of Transportation Engineering, Tongji University, Shanghai 201804, China
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SUI YongqinSUI Yongqin
School of Transportation Engineering, Tongji University, Shanghai 201804, China；Department of Civil Engineering, Suzhou College of Science and Technology, Suzhou 215011, China;
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YANG ZhenYANG Zhen
School of Transportation Engineering, Tongji University, Shanghai 201804, China
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LIN TaoLIN Tao
School of Transportation Engineering, Tongji University, Shanghai 201804, China
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Abstract:

Traffic safety on accident black spot was studied by driving experiment focusing on dynamic sight angle, acceleration, corneringratio and drivers’ heart rate.The results indicate that visual performance and driving security are enhanced,psychological and physical burden suffered by the drivers alleviated,and the traffic accident restrained.Therefore, improvement measure that makes superelevation slope different on one crosssection proves effective.

Key words:mountain highways; sharp radius of horizontal curve; traffic accident black spot; different superelevation slope design on one crosssection; evaluation method; effectiveness evaluation

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PAN Xiaodong, SUI Yongqin, YANG Zhen, LIN Tao. Effectiveness Evaluation on Traffic Accident Black Spot in Mountain Highway with Sharp Radius of Horizontal Curve[J].同济大学学报(自然科学版),2009,37(2):

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