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Effective control strategies are required to disperse incident-based traffic jams in urban networks when dispersal cannot be achieved simply by removing the obstruction. This paper develops a selection of such control strategies and demonstrates their effectiveness in dispersing incident-based traffic jams in two-way rectangular grid networks. Using the spatial topology of traffic jam propagation,...
The urban multimodal transport system is a regular pattern of superposition and compound of different transport modes such as car, bus and bike. In this paper, the structure of such system is fully analyzed and a super-network topology model is proposed to describe it. The traveler's combined choice behaviors (including mode choice and route choice) are then analyzed. Accordingly, the generalized...
In this paper, the influence of cell size on the dynamics of traffic flow at an on-ramp is investigated by using cellular automata model. The two common methods, i.e., with or without ramp lane, for modeling the on-ramp system are both adopted. The phase diagram and the capacity of the on-ramp system are studied in detail. Capacity drop is a common phenomenon at traffic bottlenecks, especially at...
When user chooses route, the travel time and travel time reliability are the most important factors under demand and supply uncertainty. It supposes travel time and travel demand following the normal distribution, setups the bi-objective bilevel programming model of travel time and travel time reliability considering travel demand variation and link capacity degradable. As the lower level problem...
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