River Thames and east of the A3 (roads beginning with 2). Wikimedia Commons has media related to A roads in Zone 2 of the Great Britain numbering scheme....

the original on 8 August 2010. Retrieved 29 June 2010. Wikimedia Commons has media related to A roads in Zone 1 of the Great Britain numbering scheme....

In Great Britain, there is a numbering scheme used to classify and identify all roads. Each road is given a single letter (representing a category) and...

Commons has media related to A roads in Zone 3 of the Great Britain numbering scheme. Notes northeast of Camelford west of Launceston References See...

B roads are numbered routes in Great Britain of lesser importance than A roads. See the article Great Britain road numbering scheme for the rationale...

B roads in Zone 7 of the Great Britain numbering scheme List of motorways in the United Kingdom Transport in Edinburgh#Road network Transport in Glasgow#Other...

B roads are numbered routes in Great Britain of lesser importance than A roads. See the article Great Britain road numbering scheme for the rationale...

List of A roads in zone 5 in Great Britain starting north/east of the A5, west of the A6, south of the Solway Firth/Eden Estuary (roads beginning with...

B roads are numbered routes in Great Britain of lesser importance than A roads. See the article Great Britain road numbering scheme for the rationale...

B roads are numbered routes in Great Britain of lesser importance than A roads. See the article Great Britain road numbering scheme for the rationale...