Optimizing Traffic Flow

Details Optimizing Traffic Flow Optimizing Traffic Flow

1998-09-29

arxiv.org/abs/cond-mat/9809397v1

Physics

Condensed Matter

Statistical Mechanics

Submitted to Physical Review on September 25, 1998. For related work see http://www.parc.xerox.com/dynamics/ and http://www.

Scientific paper

We present an economics-based method for deciding the optimal rates at which vehicles are allowed to enter a highway. The method exploits the naturally occuring fluctuations of traffic flow and is flexible enough to adapt in real time to the transient flow characteristics of road traffic. Simulations based on realistic parameter values show that this strategy is feasible for naturally occuring traffic, and that even far from optimality, injection policies can improve traffic flow. Our results also allow a better understanding of the high flows observed in ``synchronized'' congested traffic close to ramps.

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