- A3072 between A3073 King's Hill and A39, Cornwall excluding Isles of Scilly (Grid ref SS217060)
- A3072 between A39 New Road and Cornwall excluding Isles of Scilly boundary, Cornwall excluding Isles of Scilly (Grid ref SS250049)
- A3072 between Devon boundary and A388 North Road, Devon (Grid ref SS300052)
- A3072 between A388 and A3079 Dunsland Cross, Devon (Grid ref SS400038)
- A3072 between A3079 Dunsland Cross and C Road Nr Beara Court, Devon (Grid ref SS450044)
- A3072 between C Road nr Beara Court and A386, Devon (Grid ref SS500037)
- A3072 between A386 Lamerton Cross and A3124 Culm Cross, Devon (Grid ref SS577000)
- A3072 between A3124 Culm Cross and A3124 The Barton, Devon (Grid ref SS650005)
- A3072 between A3124 The Barton and A377 Copplestone, Devon (Grid ref SS700017)
- A3072 between A377 and A377 Copplestone, Devon (Grid ref SS850013)
- A3072 between C Road nr Bradley Farm and C Road Coffintree Hill, Devon (Grid ref SS868030)
- A3072 between A377 and Coffintree Cross where there is a road called Coffintree Hill, Devon (Grid ref SS868030)
- A3072 between C Road Coffintree Hill and A396 Exeter Road, Devon (Grid ref SS900053)