A roads are numbered routes in
Great Britain. See the article
Great Britain road numbering scheme for the rationale behind the numbers allocated. Depending on the first digit of the road's number see: •
Zone 1 (road beginning with 1) •
Zone 2 (road beginning with 2) •
Zone 3 (road beginning with 3) •
Zone 4 (road beginning with 4) •
Zone 5 (road beginning with 5) •
Zone 6 (road beginning with 6) •
Zone 7 (road beginning with 7) •
Zone 8 (road beginning with 8) •
Zone 9 (road beginning with 9) ==B roads==