Permeable Pavements (IMAGE) University of Texas at San Antonio Caption UTSA professors will examine the use of permeable pavements such as interlocking blocks and permeable asphalt to help the city adopt better water infiltration systems and reduce the urban heat island effect. Credit Photo courtesy of UTSA 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.