Collaborative Research: New Methods for Measuring, Evaluating and Predicting the Safety Impact of Road Infrastructure Systems on Driver Behavior September 1, 2012 Sponsor: National Science FoundationPrincipal Investigator: Samer H. Hamdar (lead)Co-PIs: Dixit Vinayak and Brian Wolshon (Lousiana State University) and Anurag Pande (California Polytechnic State University)Period: September 2009 – August 2014