Example of transit in Chicago (IMAGE) University of Michigan Caption Many riders prefer the convenience of ride-sharing services over the lower fares of public transportation. New research led by the University of Michigan helps show why modest surcharges to shared rides won't change transit usage. Credit Miki Tsuchiya Usage Restrictions No restrictions License Original 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.