The asphalt Pavement Embodied Carbon Tool (asPECT) is a carbon footprinting tool for asphalt road pavements. It was first developed in 2009 as part of a programme of work funded by the collaborative ...

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 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 ...

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 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 ...

This report describes the results of a project assessing mechanical retexturing techniques. It reports on work carried out by Queen Mary and Westfield College, University of London (QMWC) and TRL ...

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 ...

The National Driver Offender Retraining Scheme (NDORS) comprises behaviour change courses offered to road traffic offenders instead of prosecution. This report presents an evaluation of the majority ...

Roads in non-built-up areas account for only 9% of all cyclist casualties, but almost one half (45%) of all cyclist deaths. The reasons for this imbalance are examined, paying particular attention to ...

The Highways Agency (HA), Quarry Products Association (QPA) and Refined Bitumen Association (RBA) all appreciate the need to maximise the durability of asphalt pavements. Therefore, one of the tasks ...

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 ...

The most effective forms of traffic calming measure usually involve some degree of vertical deflection. Road humps have proven to be highly effective at reducing vehicle speeds, but discomfort to ...