Dissolution of traffic jam via additional local interactions

Details Dissolution of traffic jam via additional local interactions Dissolution of traffic jam via additional local interactions

2011-09-10

arxiv.org/abs/1109.2191v1

Physica A 390, 4555 (2011)

Nonlinear Sciences

Cellular Automata and Lattice Gases

7 pages in two columns, 5 figures

Scientific paper

10.1016/j.physa.2011.07.033

We use a cellular automata approach to numerically investigate traffic flow patterns on a single lane. The free-flow phase (F), the synchronized phase (S), and the jam phase (J) are observed and the transitions among them are studied as the vehicular density $\rho$ is slowly varied. If $\rho$ is decreased from well inside the J phase, the flux $\Phi$ follows the lower branch of the hysteresis loop, implying that the adiabatic decrease of $\rho$ is not an efficient way to put the system back into S or F phases. We propose a simple way to help the system to escape out of J phase, which is based on the local information of the velocities of downstream vehicles.

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