Research Site (IMAGE) American Society of Agronomy Caption The researchers installed runoff collection systems to capture runoff from a highway. This way they could measure if their efforts were successful. Credit Jamie Luther Usage Restrictions For use with story only 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.