This paper develops a new signal control model in an optimal dynamic traffic assignment (DTA) framework to study the optimal signal settings and route choices, taking into account the transition between phases. The proposed model is convex and has a capability of predicting on-and-off traffic dynamic at intersections accurately. To the best of our knowledge, there have not been any previous work in the literature treating this feature of the traffic signal in a continuous-and-convex formulation. The DTA framework together with the new signal control model enables us to study the interaction between the dynamic route choices and signal settings (i.e., phases and green time) while minimizing the total system cost. Via a numerical example, we show the impact of the dynamic traffic demand on the phase ordering and routing, and the interdependency between them.
Convex signal control model in a single-destination dynamic traffic assignment
2016-11-01
269953 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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