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Bicycle traffic serves as an essential trip mode in many Asian countries, i.e. China. But along with the economic developments, the intense competition of drivers and bicyclists for right of way brings significant trouble to city traffic. This paper studies the driving and riding behaviors during intrusion conflicts in vehicles-bicycles laminar flow, which means that some bicyclists will intrude the...
Many Asian cities, i.e. Beijing, China, are facing increasing conflicts between the booming vehicles and bicyclists/pedestrians in the five years. One important alleviating method is to introduce exclusive right-turn phases which have rarely been designed or set up for signalized intersections before. To estimate how this method can improve traffic efficiency, the conflicts between right-turn vehicles...
Interactions between the crossing pedestrians and right-turning, left-turning, or through vehicles are frequently seen in cities. The resulting crowd dynamics is usually complex and of great difficulty to pedestrian clearance time estimation and signal phase optimization. Based on the study of abundant video data of competitive crossing, an elaborate but understandable cellular automata model is proposed...
Missing data problem widely exists in many traffic information systems, which brings great trouble to further studies. To solve this problem, this paper proposes a Bayesian principal component analysis (BPCA) based missing value imputing method to impute the incomplete traffic flow volume data collected in Beijing. Intuitively, this method takes an appropriate tradeoff between the historical and periodic...
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