Department of Civil, Construction and Environmental Engineering, San Diego State University, San Diego, USA
Department of Civil, Construction and Environmental Engineering, San Diego State University, San Diego, USA
Department of Civil, Construction and Environmental Engineering, San Diego State University, San Diego, USA
Copyright © 2013 Janusz Supernak, Vinay Verma, Iga Supernak et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.
How to Cite this Article
J. Supernak, V. Verma and I. Supernak, "Pedestrian Countdown Signals: What Impact on Safe Crossing?,"
Open Journal of Civil Engineering, Vol. 3 No. 3B, 2013, pp. 39-45. doi:
10.4236/ojce.2013.33B007.