- A337 between A35 Somerford Roundabout and Dorset boundary, Dorset (Grid ref SZ184936)
- A337 between Hampshire boundary and B3058, Hampshire (Grid ref SZ230939)
- A337 between B3058 and Caird Ave, Hampshire (Grid ref SZ250943)
- A337 between A35 and A35, Hampshire (Grid ref SU296080)
- A337 between A35 and A31, Hampshire (Grid ref SU297100)
- A337 between Caird Ave and Haglane Copse, Lymington, Hampshire (Grid ref SZ300939)
- A337 between B3055 and A35, Hampshire (Grid ref SU301050)
- A337 between B3054 and B3055, Hampshire (Grid ref SU303000)
- A337 between Haglane Copse and B3054, Hampshire (Grid ref SZ317950)
- A337 between B3054 and B3054, Hampshire (Grid ref SZ317960)