Publications

This report examines the performance of different types of speed-reducing treatments (or combinations of treatments) in high-speed environments. The project also considered how desired speed can be aligned with a safe, anticipated operating speed…

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…