The 8th UN Global Road Safety Week reminds us that safe streets are not a luxury—they are a necessity. Walking and cycling should not come with a death toll. To build safer streets, we must invest in ...

This guide provides engineers with methods of repairing road haunches by re-using road materials or industrial by-products. The guidance given is based on the in-service performance of re-usable ...

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 ...

This study aimed to assess the impact of interacting with two infotainment systems, Android Auto and Apple CarPlay, on four driver performance measures: reaction time, driving behaviour, eyes-off road ...

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 ...

This study of single-carriageway trunk roads of modern design quantifies the relationships between the numbers of injury accidents that occur, and the traffic and road layout variables that determine ...

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 ...

'Secret' vehicle activated speed limit reminder signs have been used as a means of warning drivers that they are travelling too fast by the activation of a sign triggered when the speed of the vehicle ...

The report gives the findings of a study of accident risk based on a national stratified sample of 300 urban priority crossroads and staggered junctions on single carriageway roads (2917 personal ...

RAC Foundation (2008) reported the results of a survey of 2,000+ users of Facebook, showing that 45% of UK drivers engage in texting whilst driving. The RAC Foundation commissioned TRL to study the ...

This report presents the findings of a three year TRL evaluation of the Department for Transport’s (DfT) drink-drive rehabilitation (DDR) scheme. Since January 2000, the scheme permitted courts ...

This research investigates the safety implications and practical methods of allowing contra-flow cycling in one-way streets in the UK. Five 'alternative' contra-flow cycle schemes (ie schemes not ...