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
Report 134	Study of footway maintenance	1995	Current
Report 135	Accidents at 3-arm traffic signals on urban single-carriageway roads	1996	Withdrawn
Report 141	Experimental road crossing features for visually impaired pedestrians	1995	Withdrawn
Report 144	Design of reinforcement in piles	1995	Current
Report 146	Cyclic loading of sand behind integral bridge abutments	1996	Current
Report 152	Earth pressures against an experimental retaining wall backfilled with Lias Clay	1995	Current
Report 161	Effect of restrained expansion on the assessment of structures with ASR	1996	Withdrawn
Report 165	Measurement of thermal cyclic movements on two portal frame bridges on the M1	1995	Current
Report 172	Ground movements caused by different embedded retaining wall construction techniques	1995	Current
Report 174	Environmental assessment of traffic management schemes: a literature review	1995	Current
Report 176	Laboratory tests on high friction surfaces for highways	1997	Current
Report 177	Traffic calming - vehicle activated speed limit reminder signs	1995	Current
Report 180	Traffic calming: vehicle noise emissions alongside speed control cushions and road humps	1995	Current
Report 181	Advanced stop lines for cyclists: the role of central cycle lane approaches and signal timings	1996	Current
Report 182	Traffic calming - four schemes on distributor roads	1995	Current
Report 184	Accidents at three-arm priority junctions on urban single-carriageway roads	1996	Current
Report 185	Accidents at three urban priority crossroads and staggered junctions	1996	Current
Report 186	Traffic calming - road hump schemes using 75mm high humps	1996	Current
Report 187	Behaviour of the diaphragm walls of a cut and cover tunnel constructed in boulder clay at Finchley	1996	Current
Report 192	Sources of information for site investigations in Britain	1996	Current