The use of cement bound material (CBM) roadbases in flexible composite pavements in the United Kingdom is limited by the reflective cracking that occurs due to thermal shrinkage. Inducing cracks ...

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 ...

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. Let’s begin in space. The European Space Agency has funded ...

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 ...

Currently, during automated vehicle trials there are two personnel present within each test vehicle: the Safety Driver and the Test Assistant. This summary report presents recommendations on how to ...

Our people’s credentials and skills underpin our reputation and success, so we invest in training and associations that keep everyone at the forefront of their specialism.

This report is co-authored by leading UK road safety experts from organisations including TRL and leading charities, including Brake, the road safety charity, the Parliamentary Advisory Council for ...

ABSTRACT: A study has been undertaken by TRL and Millbrook Proving Ground for the Charging and Local Transport Division of the Department for Transport (DfT) to examine the impact of road humps on ...

Heavy Goods Vehicles (HGVs) manufactured since January 2006 must be fitted with rear-view mirrors that conform to the requirements of Directive 2003/97/EC. Until recently vehicles manufactured before ...

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, ...

Understanding the relationships between road surface properties and high speed friction is key to managing the risk of loss of vehicle control. It is understood that, in wet conditions, texture depth ...

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 ...