Road (IMAGE) University of Washington Caption Greenroads evaluates a road's environmental and social impacts. It assigns points for such things as using local or recycled materials, managing runoff and providing wildlife corridors. Credit University of Washington 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.