Together, TRL and Buro Happold are committed to help shape the future of an integrated transport and mobility network in the UK. Their collaborative approach will support the evolution of a modern and ...

Glare on the roads is undesirable, as it can make drivers less able to see the road ahead. TRL is working with the Department for Transport to understand the factors that can cause glare, and how to ...

iROADS, developed by TRL Software, and used by the UK’s National Highways to manage the Strategic Road Network, is a cutting-edge transport asset management digital platform that provides real-time ...

This report describes a study for DETR Road Safety Division to suggest a set of accident-remedial intervention levels for use on rural roads (ie those with speed limits greater than or equal to 50 ...

This report examines the feasibility of establishing a regulatory scheme for In-Use Safety and Security monitoring. This report assesses the legal, societal and technological requirements of such a ...

This report evaluates Fibre Optic technology applied to the problem of high speed vehicles approaching a rural cross road. The site chosen at Felthorpe in Norfolk had a history of 31 recorded personal ...

This report considers the use of materials susceptible to crushing during compaction. Such materials include unburnt and burnt colliery spoil, spent oil shale and weak sandstone. It gives ...

The original work on speed reducing road humps was carried out in the 1970's at TRL and was based on circular profile (round-top) humps of various dimensions. These track trials led to the adoption of ...

The Design Standard HD 26 (2006) provides pavement designs that are based on four foundation stiffness classes FC1, FC2, FC3 and FC4, whose support for the pavement increases with class number.

Computer models for the forecast of the acceptability of soils for earthworks in both the long-term and the short-term have been developed. A number of issues pertinent to the efficient use of the ...

Road Note 42 gives guidance on the procedures for maximising the durability of asphalt pavements. Some of the concepts may not be practical in all circumstances, particularly for emergency repairs, ...