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List of A roads in zone 3 in Great Britain starting west of the A3 and south of the A4 (roads beginning with 3).
Single- and double-digit roads
Triple-digit roads
Four-digit roads (30xx)
Four-digit roads (31xx and higher)
Notes and references
Wikimedia 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 File:OS_Heathrow_5th_Edition.jpg