Extensions and Amplifications of a Traffic Model of Aw and Rascle




J. M. Greenberg Carnegie Mellon University
Department of Mathematical Sciences
Pittsburgh, PA 15213
email: greenber@andrew.cmu.edu



ABSTRACT: In a recent paper [1] Aw and Rascle introduced a new model of traffic on a uni-directional highway. Here the author studies an extension of this model, one which accounts for drivers attempting to travel at their maximum allowable speed. The author looks at a Lagrangian reformulation of this problem; a formulation that leads to an effective computational algorithm for solving the resulting system. He also investigates approximation scheme introduced by Dafermos [5] for scalar conservation laws and demonstrates that this Dafermos scheme works well on this $2 \times 2$system.



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