A suite of services to support researchers and product developers seeking evidence and insights from real world road traffic collision data. There are multiple sources of information about road ...

A disproportionate number of road accidents occur at night relative to the number of road trips completed during periods of darkness. Actively illuminated road studs offer greater visibility than ...

In the UK, Advanced Stop Lines (ASLs) are an area in front of the main traffic stop line at signal-controlled junctions that can currently only be used by cyclists. This area provides cyclists with ...

Reflecting on the past year, the impact of TRL’s mission is clear to see; it helps to take a different perspective in order to appreciate it.

Bus Stop Bypasses have been introduced over the past few years at sites on London’s Cycle Superhighways to enable the continuation of segregated routes through bus stops. A Bus Stop Bypass (BSB) ...

Road surface friction on the Strategic Road Network (SRN) is managed through the requirement to provide skid resistance and texture depth. The requirements have been in place since the 1980s and were ...

Author: TRL: Annabel Knightley, Alice Holcombe, Bharti Gupta, George Beard, Jack Hitchings, Joe Forrest. RiDC: Eric Harris, Hayley Dawson, Indigo Ayling, Naomi Care This report is a supplement to the ...

In England, Local Authorities provide network-level Road Condition Monitoring (RCM) data to the Department for Transport each year, so that the DfT can publish annual official statistics for road ...

This report reviews the information and advice available on the drainage of earthworks, identifies the limitations of current knowledge and provides recommendations on how these might be addressed.