Geofoam Blocks (IMAGE) University of Texas at Arlington Caption Geofoam blocks being installed underneath a North Texas highway will ensure stability for a longer period of time than traditional construction. Credit Courtesy of UT Arlington 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.