Design Manual for Roads and Bridges, (DMRB), HMSO
Latest version available on Highways Agency website:
http://www.standardsforhighway
Civil Aviation Authority - http://www.caa.co.uk/
UK Airport Statistics
http://www.caa.co.uk/airportst
UK Airline Financial Tables
http://www.caa.co.uk/ukairline
Official Airline Guide Website: www.aog.com/website/com/en/Hom
Road Freight Statistics 2005
Road Goods Vehicles travelling to mainland Europe: 2006
Source Information from the 2001 Census: http://www.scrol.gov.uk/
Scottish Government's Roads Accident Statistical Database
http://www.scotland.gov.uk/Top
Design Manual for Roads and Bridges (DMRB) Volume 12:
http://www.standardsforhighway
Scottish Transport Statistics:
http://www.scottishexecutive.g
Scottish Household Survey: http://www.scotland.gov.uk/Top
Transport Model for Scotland (TMfS): http://www.tmfs.org.uk/