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All Outputs (2)

Variable message signs: are they effective TDM measures? (2009)
Book Chapter
Saleh, W., Walker, C., & Pai, C. W. (2009). Variable message signs: are they effective TDM measures?. In Travel Demand Management and Road User Pricing: Success, Failure and Feasibility (135-150). Ashgate Publishing

This chapter investigates impacts of Variable Message Signs (VMS) on accidents rates and severities on Scottish trunk roads. A before and after analysis of accidents at 14 selected VMS sites in central and north-east Scotland is presented.

The dependent availability logit model and its applications (1998)
Book Chapter
Saleh, W., & Bell, M. G. H. (1998). The dependent availability logit model and its applications. In J. D. D. Ortuzar, D. Hensher, & S. Jara-Diaz (Eds.), Travel behaviour research: updating the state of play (473-486)