28. September 2015 · Comments Off on Integrating off-ramp spillback control with a decomposed arterial signal optimization model · Categories: Conference Papers, Publications

Authors: Xianfeng Yang, Yao Cheng, Gang-Len Chang

Conference: Transportation Research Board, 2015

Abstract:  Congestion at the downstream of a freeway off-ramp often propagates the traffic queue to the mainline, and thus reduces the freeway capacity at the interchange area. To prevent the potential queue spillback, this study proposes a two-stage control model to optimize the signal plans on an off-ramp connected arterial. The first-stage of the model aims to optimize the green splits with a specified off-ramp queue length constraint. The second stage of this model is focused on the coordination of both off- ramp flows and local through traffic.

Download (trb2015_Signal.pdf)

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