TY - GEN
T1 - Relationship between weaving length and traffic Safety in road interchanges
AU - Xu, Yuan
AU - Zhu, Shunying
AU - Wang, Hong
AU - Guan, Juxiang
AU - Sun, Qinmei
AU - Liu, Bing
AU - Liu, Dan
AU - Xia, Jing
AU - Antoniou, Constantinos
PY - 2008
Y1 - 2008
N2 - Weaving areas in road interchanges are dynamic areas, where vehicles change lanes frequently to complete merging and diverging operations in a short distance. As a result, traffic flow is rather unpredictable and volatile, with negative impact on the safety and efficiency of the entire interchange. This paper studies the impact of weaving length on traffic safety and efficiency. An orthogonal experimental design is developed in order to analyze the relationship between traffic conflicts and (i) weaving length, (ii) traffic volume and (iii) ratio of weaving volume to mainline flow. A microscopic simulation model, VISSIM, is used to model the Youyi Avenue interchange of Wuhan Changjiang River Tunnel and extract the selected as the traffic safety indices for each scenario, i.e. traffic conflicts and conflict velocity. Finally, a reasonable weaving length for the interchange that balances traffic safety and efficiency is estimated using the difference analysis method. Copyright ASCE 2008.
AB - Weaving areas in road interchanges are dynamic areas, where vehicles change lanes frequently to complete merging and diverging operations in a short distance. As a result, traffic flow is rather unpredictable and volatile, with negative impact on the safety and efficiency of the entire interchange. This paper studies the impact of weaving length on traffic safety and efficiency. An orthogonal experimental design is developed in order to analyze the relationship between traffic conflicts and (i) weaving length, (ii) traffic volume and (iii) ratio of weaving volume to mainline flow. A microscopic simulation model, VISSIM, is used to model the Youyi Avenue interchange of Wuhan Changjiang River Tunnel and extract the selected as the traffic safety indices for each scenario, i.e. traffic conflicts and conflict velocity. Finally, a reasonable weaving length for the interchange that balances traffic safety and efficiency is estimated using the difference analysis method. Copyright ASCE 2008.
KW - Traffic conflict
KW - Traffic safety
KW - Weaving area
KW - Weaving length
UR - http://www.scopus.com/inward/record.url?scp=70349393946&partnerID=8YFLogxK
U2 - 10.1061/40961(319)40
DO - 10.1061/40961(319)40
M3 - Conference contribution
AN - SCOPUS:70349393946
SN - 9780784409619
T3 - Transportation and Development Innovative Best Practices 2008 - Proceedings of the 1st International Symposium on Transportation and Development Innovative Best Practices 2008, TDIBP 2008
SP - 240
EP - 245
BT - Transportation and Development Innovative Best Practices 2008 - Proceedings of the 1st International Symposium on Transportation and Development Innovative Best Practices 2008, TDIBP 2008
PB - ASCE - American Society of Civil Engineers
T2 - 1st International Symposium on Transportation and Development Innovative Best Practices 2008, TDIBP 2008
Y2 - 24 April 2008 through 26 April 2008
ER -