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…

In the past traditional traffic management has focused on motor vehicles with minimal consideration given to other road users such as pedestrians and cyclists. As a consequence pedestrians and cyclists can often experience mobility constraints and…

This report examines methods by which demand for cycling under different conditions can be estimated, and provides a framework for analysing data to develop demand forecasts for bicycle use. The report is based on an international review of…