A roads in Zone 1 of the Great Britain numbering scheme

List of A roads in zone 1 in Great Britain beginning north of the River Thames, east of the A1 (roads beginning with 1).

Previously allocated to a road between Morpeth and Plessey Checks.

Became a portion of an extended A192 after World War II.

Roundabout on the A189 spine road between Woodhorn and Ellington near to Linton
The numbering zones for A-roads in Great Britain