Map Showing Driving Routes (IMAGE) U.S. National Science Foundation Caption The driving routes (in green) computed by a Lexicographic Value Iteration (LVI) algorithm for an attentive driver (above) and a tired driver (below) based on traffic and road conditions. Credit Shlomo Zilberstein, University of Massachusetts Amherst Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.