- A146 between A1056 and A1054, Norfolk (Grid ref TG236065)
- A146 between A1054 and A47, Norfolk (Grid ref TG245063)
- A146 between A47 and B1332, Norfolk (Grid ref TG253061)
- A146 between B1332 and B1136, Norfolk (Grid ref TG271047)
- A146 between B1136 and A143, Norfolk (Grid ref TM381952)
- A146 between A143 and Norfolk boundary, Norfolk (Grid ref TM412919)
- A146 between Suffolk boundary and A145, Suffolk (Grid ref TM423913)
- A146 between A145 and B1384, Suffolk (Grid ref TM497905)
- A146 between B1384 and A1117, Suffolk (Grid ref TM510910)
- A146 between A1117 Saltwater Way and A12, Suffolk (Grid ref TM533924)