LiDAR scans (IMAGE) University of Exeter Caption Examples of segments of Roman roads identified from the LiDAR-derived terrain models provided by Environment Agency’s ‘National LiDAR Programme’. Credit The Environment Agency Usage Restrictions No restrictions 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.