The Highway Code - Official site with rules and guidance for pedestrians, horse-riders and cyclists as well as motorcyclists and drivers. - http://www.direct.gov.uk/en/TravelAndTransport/Highwaycode/
Vehicle and Operator Services Agency - Ensure that goods vehicles, buses, coaches, cars and motorbikes are maintained to minimum legal standards. - http://www.vosa.gov.uk/
Driving Standards Agency - Includes details on good driving practice and the current driving test regulations. - http://www.dsa.gov.uk/
Manual for Streets - Joint project by the Department for Transport and the Department for Communities and Local Government, to develop guidance to a range of practitioners on effective street design. News, project information, and current drafts. - http://www.manualforstreets.org.uk/
National Parking Adjudication Service (NPAS) - Independent tribunal that considers appeals by motorists whose vehicles have been issued with a parking ticket in England and Wales. - http://www.parking-appeals.gov.uk/
Thanks Road Safety - Information and resources on road safety. - http://www.thinkroadsafety.gov.uk/