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 ...

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 ...

'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 ...

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 ...

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 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 ...

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.

Detailed quantitative interviews were carried out with 650 people aged 16 or over, and a smaller number of key questions on cycling were included in an 'omnibus' survey with a nationally ...

The Driver Reaction Times to Familiar but Unexpected Events study was undertaken as part of the TRL re-investment program to promote internal research. The study was designed to take advantage of ...