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Project Report PPR534 External factors affecting motorway capacity

Publication Year

2010

Document Status

Current

Abstract

Presents the results of a study into the factors affecting congestion on motorways, two sites were chosen with regular congestion problems: M4 eastbound between junctions 19 and 20 and M25 anti-clockwise between junctions 11 and 12. The factors investigated included: merge/diverge percentage, HGV percentage, precipitation and lighting conditions.

Author

Morris, B. et al

ISBN

9781848069121

Publisher Information

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