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Responding to the Green Transportation requirement for urbanization nowadays, a new set of 3E criteria, which takes into account efficiency, economy and environment effects, to evaluate intersections operational traffic status is proposed first in this paper. Then, we establish an AHP-based evaluation architecture for intersections with multi-level and multi-objective functions, on the basis of the...
This paper tries to answer an interesting question: Is there any synchronized oscillation in network-wide urban traffic flow? Particularly, we apply the spectral envelope method to extract the common oscillation frequencies of a set of traffic flow time series collected from several detectors distributed on a two dimensional (2D) urban traffic network. Results show that several local synchronized...
On an arterial, over-saturated intersections raise the risk of congestion. Once congestion happens, it may spread to neighboring intersections along the road. This paper proposes an interactive fuzzy logic signal controller utilizing neighboring traffic information to avoid congestion under over-saturated condition. The fuzzy signal controller decides to extend, early cut or terminate a signal phase...
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