Cycling (IMAGE) Virginia Tech Caption A new study led by School of Public and International Affairs faculty member Ralph Buehler used National Household Travel Surveys from 2001 and 2017 to estimate frequency, duration, and distance of walking and cycling per capita. The research suggests the locations that have benefited most from federal spending to increase active transportation are large urban areas like Washington, D.C. (above). Credit Photo by Ryan Young for Virginia Tech. Usage Restrictions Credit photo by Ryan Young for Virginia Tech. 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.