- A388 between A30 and A388/ Exeter St, Cornwall excluding Isles of Scilly (Grid ref SX336840)
- A30 between A388 and A388, Cornwall excluding Isles of Scilly (Grid ref SX330836)
- A388 between A388/Exeter St and A388 St Thomas Rd, Cornwall excluding Isles of Scilly (Grid ref SX333847)
- A388 between A30 and A388 Woodra Rd, Cornwall excluding Isles of Scilly (Grid ref SX327840)
- A388 between A388 Wooda Rd and B3254, Cornwall excluding Isles of Scilly (Grid ref SX329850)
- C, Cornwall excluding Isles of Scilly (Grid ref SX323842)
- A30 between A388 and Cornwall excluding Isles of Scilly boundary, Cornwall excluding Isles of Scilly (Grid ref SX350841)
- A388 between B3362 and A30, Cornwall excluding Isles of Scilly (Grid ref SX346830)
- A388 between A388 Tavistock Rd and Cornwall excluding Isles of Scilly boundary, Cornwall excluding Isles of Scilly (Grid ref SX350844)
- C541, N/a, Cornwall excluding Isles of Scilly (Grid ref SX350825)
- A388 between B3254 and Cornwall excluding Isles of Scilly boundary, Cornwall excluding Isles of Scilly (Grid ref SX341861)
- A388 between Devon boundary and A388 spur, Devon (Grid ref SX360848)
- A30 between Devon boundary and A388 Nr Launceston, Devon (Grid ref SX362847)
- A388 between A30 and A388, Devon (Grid ref SX365850)
- A388 between A30 and A388, Devon (Grid ref SX365850)
- A388 between A388 spur and A30, Devon (Grid ref SX368852)
- A30 between A388 (Nr Launceston) and A388 Liftondown, Devon (Grid ref SX370852)
- C, Cornwall excluding Isles of Scilly (Grid ref SX358809)
- A30 between A395 and A388, Cornwall excluding Isles of Scilly (Grid ref SX297835)
- A388 between B3257 and B3362, Cornwall excluding Isles of Scilly (Grid ref SX347800)