Publications

Selection of maintenance techniques is always a balance between the administering authority costs and social and environmental costs and outcomes. This project provides practical information and a methodology (including a worked example) for…

This project had its origins in an earlier project which showed that crash rates increased at extremes of horizontal and vertical geometry, and were lowest with narrow sealed shoulders. This paper reports an investigation based on the original…

The Review of Vertical Exhausts report concludes that vertical exhaust stacks on heavy vehicles result in dramatically improved air quality and only slightly higher noise levels compared to conventional low exit exhaust systems in an urban…