20's Plenty for Us

...making your place a better place to be

TRL Reports


Total 20 Places

Portsmouth, Oxford, Newcastle-upon-Tyne, Islington, Hackney, Bristol, Bath & NE Somerset, Warrington, Southwark, Edinburgh, Cambridge, Lancashire, Chichester, Glasgow City, York, Liverpool, Manchester, Brighton & Hove, Middlesbrough, Camden, Waltham Forest, City of London, Greenwich, Wigan, Rochdale, Otley, Bury, Bolton, Nottingham, Birmingham, Lewisham, Coventry

Latest News Hear the Interview with 20's Plenty Founder, Rod King MBE


The Transport Research Laboratory is an important organisation conducting research into road use in the UK. Some reports are now available in the public domain for download and the ones that we have found most useful regarding 20's Plenty are included below :-

TRL325 The factors that influence a driver's choice of speed - a questionnaire study.
M C Taylor, D A Lynam and A Baruya - 2000
TRL363 Urban speed management methods.
A Mackie - 1998

The effects of drivers’ speed on the frequency of road accidents
M C Taylor, D A Lynam and A Baruya - 2000

TRL440 The characteristics of speeders
D C Webster and P A Wells - 2000
TRL641 "Psychological Traffic Calming
J Kennedy, R Gorell, L Crinson, A Wheeler and M Elliot


Please note that these reports do not take into account the considerable shift in public opinion in recent years towards supporting lower speed limits. However they do include some very useful information.

Also note that all reports are copyright of TRL. The complete catalogue of TRL reports may be accessed at their website at www.trl.co.uk.


For further details please email us at [email protected] or see our contact details here