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From Wikipedia: The 284 miles (457 km) A30 road from central London to Land's End, historically known as the Great South West Road used to provide the most direct route from London to the south west; more recently the M3 motorway and A303 road performs this function for much of the route and only parts of A30 now retain trunk road status. Places on the trunk section have been bypassed and sections of road widened.


The road should be wherever possible aligned with the greatest accuracy to satellite imagery.

  • Aligned between: Roundabout with A308 at Staines and junction with B378 (NORTH-EAST BOUND ONLY)