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 ...

Roadside advertising is a common sight on urban roads. Previous research suggests the presence of advertising increases mental workload and changes the profile of eye fixations, drawing attention away ...

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 ...

Visual Condition Surveys (VCS) are used to record the current condition of the surface of the pavement. VCS can be undertaken either as a walked survey or at traffic speed using specialist imaging ...

The World Health Organization estimates that the number of road traffic deaths has reached 1.35 million per year, with the highest road traffic fatality rates in low-income countries. The overall aim ...

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 ...

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 ...

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 ...

Low temperature asphalts, classified as warm mix asphalt, half-warm mix asphalt and cold mix asphalt, are increasingly being used, but most of the current specifications are written around hot mix ...

Transport is a key contributor to climate change, and there are many strategies in place to tackle the problem, ranging from clean air zones, to decarbonisation of vehicles. However, a key area of ...

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 ...