Towards a realistic microscopic description of highway traffic

Details Towards a realistic microscopic description of highway traffic Towards a realistic microscopic description of highway traffic

2000-12-12

arxiv.org/abs/cond-mat/0012204v1

J. Phys. A33, L477 (2000)

Physics

Condensed Matter

Statistical Mechanics

7 pages, 7 figures

Scientific paper

10.1088/0305-4470/33/48/103

Simple cellular automata models are able to reproduce the basic properties of highway traffic. The comparison with empirical data for microscopic quantities requires a more detailed description of the elementary dynamics. Based on existing cellular automata models we propose an improved discrete model incorporating anticipation effects, reduced acceleration capabilities and an enhanced interaction horizon for braking. The modified model is able to reproduce the three phases (free-flow, synchronized, and stop-and-go) observed in real traffic. Furthermore we find a good agreement with detailed empirical single-vehicle data in all phases.

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