Driver & Vehicle Licensing Authority (DVLA)
http://www.dvla.gov.uk

Pass Plus Website
http://www.passplus.org.uk/

Driving Standards Agency
http://www.dsa.gov.uk/

The Highway Code
http://www.highwaycode.gov.uk/

Department for Transport Motoring Section
http://www.direct.gov.uk/Motoring/fs/en

Transport Direct Free Online Journey Planner
http://www.transportdirect.info

The Stationery Office
(copies of Official Highway Code and other driving instruction manuals)
http://www.tsoshop.co.uk