The established relationship between the spacing distributions of highway traffic and those of classical gas models is re-examined. Limitations in the statistics of the power law potential are identified, and two modifications are proposed which alter the potential at respectively long and short ranges. An improved fit with empirical data is demonstrated.
Additional information: Preprint article submitted to the European Physical Journal B - Condensed Matter and Complex Systems
Sponsorship: R.E. Wilson acknowledges the support of an EPSRC Advanced Research Fellowship EP/E055567/1