with short stretches of dual carriageway from Camberley to Basingstoke, which has a dualled inner ring road, two between Stockbridge and Salisbury (an alike ring road shared with the A36), and between Sherborne and Yeovil.

Exeter to Penzance

This section is a trunk road as far as Penzance. The route is dual carriageway from Exeter to Camborne in West Cornwall. West of Camborne is mainly single carriageway.

To pass Exeter,

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