Open AccessEffectiveness of Variable Message Signs on Driving Behavior Based on a Driving Simulation Experiment
Author(s) -
Xuedong Yan,
Jiawei Wu
Publication year - 2014
Publication title -
discrete dynamics in nature and society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.264
H-Index - 39
eISSN - 1607-887X
pISSN - 1026-0226
DOI - 10.1155/2014/206805
Subject(s) - computer science , intersection (aeronautics) , variable (mathematics) , driving simulator , simulation , fidelity , point (geometry) , upstream (networking) , driving simulation , real time computing , computer network , transport engineering , telecommunications , engineering , mathematical analysis , geometry , mathematics
Variable message signs (VMSs), as one of the important ITS devices, provide real-time traffic information of road network to drivers in order to improve route choice and relieve the traffic congestion. In this study, the effectiveness of VMS on driving behavior was tested based on a driving simulation experiment. A road network with three levels of VMS location to route-diverging intersection and three types of VMS information format was designed in a high fidelity driving simulator platform. Fifty-two subjects who were classified by driver age, gender, and vocation successfully completed this experiment. The experimental results showed that driver characteristics, VMS location, and information format profoundly influence driving behaviors. Based on the research findings, it is suggested that VMS would be positioned between 150 m and 200 m upstream of the diverging point to balance the VMS effects on traffic safety and operation and the graphic information VMS format is better than the format with text massage only
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