Publications

This manual explores the impact of road runoff and drainage on aquatic and terrestrial biodiversity. Road Runoff and Drainage aims to assist road infrastructure planners, designers, environmental officers and project managers in achieving…

The practice of full or part sealing shoulders on two-lane rural roads was originally introduced to reduce seal edge and shoulder maintenance costs, and to shift the seasonal edge moisture zone away from the outer wheel path. The practice has since…

This report documents a study to provide information on recent advances in road pricing practice, both nationally and internationally. With the availability of new technologies the most rapidly changing aspect of road pricing, a significant…