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

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Series details	Title	Year	Status
Project Report PPR889	Innovative geotechnical repair techniques - comparative life cycle assessment	2018	Current
Project Report PPR890	Innovative geotechnical repair techniques - effectiveness of electrokinetic geosynthetics	2018	Current
Project Report PPR894	Road surface properties and high speed friction - the effect of permeability	2017	Current
Project Report PPR2001	Investigation of the impacts of climatic conditions on skid resistance variation	2022	Current
Project Report PR/SE/582/02	Trends in speed, emissions and air quality during the Gloucester safer city project	2002	Current
Project Report PR/SE/637/02	Implications of using energy absorbing masts to support signs, without protective safety fencing. Version 1	2003	Withdrawn
Project Report PR/SE/726/03	Passive safety tests on steel circular hollow section sign posts	2003	Current
Project Report PR/SE/816/03	Traffic calming in Longlevens, Gloucester - noise, vibration and public attitudes	2003	Current
Project Report PR/SE/849/03	Study of medium and high speed tyre road noise	2003	Withdrawn
Quick Win to Reduce Congestion 4	Requirements for trafficking cementitious mixtures - greater understanding to reduce congestion	2012	Current
Quick Win to Reduce Congestion 5	Mapping underground assets - a technique to reduce congestion	2012	Current
Quick Win to Reduce Congestion 6	Using temporary backfill to reduce congestion	2012	Current
Quick Win to Reduce Congestion 8	Rapid-cure foamed concrete - a technique to reduce congestion	2012	Current
	Building a wider Europe: a venture in the east	2004	Current
Report 121	Laboratory testing of road marking materials	1995	Withdrawn
Report 124	Long term monitoring of a reinforced earth bridge abutment at Carmarthen: 1984 to 1994	1994	Current
Report 125	Trials of high-friction surfaces for highways	1998	Withdrawn
Report 128	Doubly-propped retaining walls in clay	1995	Withdrawn
Report 129	Economic and technical appraisal of geosynthetic soil nails	1995	Withdrawn
Report 131	Literature and design review of crib wall systems	1995	Current

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