Transport Research Laboratory

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

Crowthorne House
Nine Mile Ride
Wokingham
TRL
UK

Website: http://www.trl.co.uk/
Email: enquiries@trl.co.uk
Tel: 01344 773131

Documents by this publisher

Page 23 of 49

Series details	Title	Year	Status
Project Report PPR433	Feasibility of using twin-layer porous asphalt surfaces on England's strategic road network	2007	Current
Project Report PPR436	Literature review of road safety at traffic signals and signalised crossings	2009	Current
Project Report PPR443	Review of current research on road surface noise reduction techniques	2010	Current
Project Report PPR444	Post-2010 casualty forecasting	2009	Current
Project Report PPR449	Tunnel portal dispersion monitoring	2013	Current
Project Report PPR457	SCANNER accredited surveys on local roads in England - accreditation, QA and audit testing - annual report 2008-09	2009	Current
Project Report PPR460	Feasibility of pre-wetted treatments with uniformly-graded salt	2013	Current
Project Report PPR466	Safety evaluation of compact MOVA signal control strategy - final report	2009	Current
Project Report PPR468	Enhanced levels of reclaimed asphalt in surfacing materials: a case study evaluating carbon dioxide emissions	2010	Current
Project Report PPR474	Defining a road safety vision for Northern Ireland	2010	Current
Project Report PPR478	Benchmarking road safety vision for Northern Ireland	2010	Current
Project Report PPR480	Casualty forecasts for Northern Ireland in 2010 and key performance indicators	2010	Current
Project Report PPR482	A pilot-scale trial of reservoir pavements for drainage attenuation	2010	Current
Project Report PPR485	Performance of quieter surfaces over time	2010	Current
Project Report PPR490	Acoustic durability of timber noise barriers on England's strategic road network	2010	Current
Project Report PPR490-Technical Annex	Technical Annex to PPR490 Acoustic durability of timber noise barriers on England's strategic road network	2010	Current
Project Report PPR494	Bend treatments on the A377 between Cowley and Bishops Tawton - final report	2010	Withdrawn
Project Report PPR494	Bend treatments on the A377 between Cowley and Bishops Tawton - final report (amended August 2010)	2010	Current
Project Report PPR497	GripTester trial - October 2009 - including SCRIM comparison	2010	Current
Project Report PPR505	Assessing the likely effects of potential changes to European heavy vehicle weights and dimensions regulations - Project inception report	2010	Current

Page 23 of 49