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1.
This paper studies on modelling and solving spatial and dynamic equilibrium travel pattern in a travel corridor. Consider a travel corridor connecting continuously distributed commuters to the city centre. The traffic is subject to flow congestion and the commuter heterogeneity is captured. The traffic flow dynamics is described by flow continuity equation and the equilibrium travel pattern is assumed to follow trip-timing condition. The continuous spatial and dynamic equilibrium travel pattern is formulated into a partial differential complementarity system, which is then solved through Godunov scheme. The proof of solution existence is provided, and a set of numerical experiments are demonstrated. 相似文献
2.
In auto-oriented communities, access to an automobile is essential for good mobility, but not everyone owns a car or is able
to drive. Little is known about how individuals in these circumstances might still use vehicles for transportation. To provide
insight on the nature of vehicle use by those with potentially limited vehicle access, we present qualitative findings from
focus groups with recent Mexican immigrants living in California, half of whom owned no cars. Our results demonstrate varying
degrees of participants’ access to vehicle travel not always corresponding to auto ownership, with extensive sharing of cars,
borrowing of cars, and getting rides. We describe the different dimensions of vehicle access that participants experienced
and identify specific factors that seemed to influence their access levels. We discuss the implications of our findings for
transportation policy and future research.
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