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we present a new framework for conducting controlled driving behavior studies based on multiuser networked 3-D virtual environments. The framework supports: 1) the simulation of multiuser immersive driving; 2) the visualization of surrounding traffic; 3) the specification and creation of reproducible traffic scenarios; and 4) the collection of meaningful driving behavior data. We use our framework...
Traffic accident often induces traffic bottleneck and affects other vehicles driving. The lengthways region around accident scene becomes dangerous because of comprehensive traffic behaviors, such as lane changing, vehicle merging and vehicle following. In order to research the methods of management in traffic accident scene and avoid secondary accident, evaluation index system of safety in accident...
Traffic conflict technique can be applied to quantitatively evaluate highway intersection traffic safety. The present study proposed that conflicts of different severity classes can be used in traffic safety evaluation when accident data are hard to acquire and the sample size of serious conflicts is not large enough. TTC (time to collision) was selected as index to judge the severity of conflicts...
Regarding the characteristics of uncertainty on the relationship between design factors of first class highways and traffic safety, the unascertained measure model of the safety evaluation for the design of first class highways is established on the basis of unascertained measure space. Through unascertained measure of single indicator, calculation of comprehensive measure for multiple indicators...
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