The effects of reaction delay in the Nagel-Schreckenberg traffic flow model R. Jiang, M. B. Hu, B. Jia, R. L. Wang and Q. S. Wu Eur. Phys. J. B, 54 2 (2006) 267-273 Published online: 22 December 2006 DOI: 10.1140/epjb/e2006-00449-5