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Since the fact that the non-signal roundabout allows less flow rate, and with the increasing of roundabout flow rate, series of problems have occurred in respect of traffic jam, rising of accident rate, growth of traffic delay and increasing of saturation degree, etc. Arrangement of signal control help to enhance the efficiency at roundabout and security, but there exist big difference for applicable...
The uncontrolled roundabout is only applicable to smaller vehicle flows. With increasing of roundabout flows, series of problems have occurred in respect of traffic jams and accidents. Arrangement of signal control will help to improve delay and safety at roundabout while differences exist between condition of adaptability and traffic efficiency under different signal controlling methods. It is on...
Arrangement of stop line at intersections of urban roads is one of the most important factors which influences the traffic safety and order of intersection. This paper, grounded on summarizing the design methods for current stop line at intersection, has established constraint model for right-turn and left-turn vehicles at stop line of intersection, established included angle between position of stop...
An innovation feature of this study is modeling real-time car-following risk based on probabilistic concepts. First of all, this paper divided the process of rear-end collision into two stages: first stage is leading vehicle decelerates and the second is the following vehicle can not avoid the collision on the condition of it. On the basis of that, the probability of rear-end collision which used...
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