Transport Research Laboratory

The Transport Research Laboratory (TRL) is an internationally recognised organisation providing research, consultancy, testing and certification for all aspects of transport.

Website: http://www.trl.co.uk/
Email: enquiries@trl.co.uk

Documents by this publisher

Series details	Title	Year	Status
Project Report PPR725	Investigation into the potential of LiDAR to support traffic speed asset measurement and assessment	2014	Current
Project Report PPR729	Highways Agency skid resistance survey policy 2014: a review	2015	Current
Project Report PPR737	In service performance of Steelphalt products	2015	Current
Project Report PPR739	Calculation of local equilibrium correction factors for the 2014 skid resistance surveys	2015	Current
Project Report PPR740	Use of high-resolution 3-D surface data to monitor change over time on pavement surfaces. Research into pavement surface disintegration: Phase 3	2015	Current
Project Report PPR742	Use of lower temperature asphalt in pavement construction: demonstration site construction, in service performance and specification	2015	Current
Project Report PPR743	An extended and updated technical evaluation of wig-wag signs at the A83 rest and be thankful	2017	Current
Project Report PPR750	Evaluation of EME2 type mixtures incorporating softer grade binders. Phase I progress report	2015	Current
Project Report PPR757	Trials of the longevity of brine and pre-wetted salt winter service treatments on typical UK road surfacings	2015	Current
Project Report PPR763	Trials of road marking monitor to determine performance levels for network surveys	2015	Current
Project Report PPR771	Development of a reference surface for the assessment of pavement skid resistance measurement devices	2015	Current
Project Report PPR784	Surface treatment options for concrete roads. Ultra-thin surfacing systems	2016	Current
Project Report PPR785	Monitoring of concrete surface treatment options on the A46 Sixhills to Widmerpool. September 2013 to June 2016	2016	Current
Project Report PPR790	Scottish Inspection Panel Report 2015	2015	Current
Project Report PPR792	Review of hydraulically bound materials for use in Scotland	2013	Current
Project Report PPR793	Trial of surface dressing with SAMI. Final report	2015	Current
Project Report PPR794	Some aspects of the interaction between landslides and forestry operations	2016	Current
Project Report PPR800	Assessing the risks to infrastructure from coastal storms in a changing climate	2016	Current
Project Report PPR801	Early life trafficking of overlaid concrete. Pavement test facility trials	2016	Current
Project Report PPR822	Performance of re-textured concrete pavements	2017	Current