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A model of traffic dispersion from a congested road

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  • Baker, Robert G. V.

Abstract

The study of traffic flow dynamics is developed by defining and clarifying traffic divergence, continuity, congestion and dispersion. Velocity potential is introduced as a gravity function generated by the interaction of two or more motorists occupying neighbouring points in space and describes interference to continuous traffic flow. The relationship between the potential function and carrying capacity is developed and dispersion, when considered as a random walk, satisfies a diffusion equation. A model of traffic dispersion along a maximum congested road in space and time is presented as eigenfunctions of the velocity potential. This suggests that traffic can be dispersed by a series of quantum steps. A probability density function is introduced to define the probability of locating a motorist in a congestion zone.

Suggested Citation

  • Baker, Robert G. V., 1981. "A model of traffic dispersion from a congested road," Transportation Research Part B: Methodological, Elsevier, vol. 15(5), pages 319-327, October.
    • Handle: RePEc:eee:transb:v:15:y:1981:i:5:p:319-327
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