The Integrated Corridor Management (ICM) approach has drawn increasingly more attention in recent years
because it is believed to be a promising tool to mitigate urban traffic congestion. In this project, a maximum flow
based control model was first developed to handle oversaturated traffic conditions at signalized arterials. Based on
the arterial control model, an integrated control model was proposed to manage network congestion. Through
diversion control, the model aims to fully utilize the available capacity along parallel routes. The impact of the
diversion traffic is considered, especially for signalized arterials, so that traffic congestion on the diversion route
can be reduced or eliminated by proper adjustment of signal timings. This model does not rely on time-dependent
traffic demand as model inputs and it is ready to be implemented at typical parallel traffic corridors where the
standard detection system is available. The performance of the proposed model was tested using microscopic traffic
simulation in the I-394 and TH 55 corridor in Minneapolis, Minnesota. The results indicate that the proposed model
can significantly reduce network congestion.
Liu, Henry X.; Hu, Heng.
Improving Traffic Signal Operations for Integrated Corridor Management.
Minnesota Department of Transportation.
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