- U, Sandringham Crescent, Hertfordshire (Grid ref TL171096)
- U, Sandringham Crescent, Hertfordshire (Grid ref TL175092)
- C, Marshalswick Lane, Hertfordshire (Grid ref TL168082)
- U, Battlefield Road, Hertfordshire (Grid ref TL157082)
- U, Old Harpenden Road, Hertfordshire (Grid ref TL150088)
- U, Beaumont Avenue, Hertfordshire (Grid ref TL169074)
- U, Batchwood Gardens, Hertfordshire (Grid ref TL149087)
- A1081 between Sandridgebury Lane and B651 Stonecross, Hertfordshire (Grid ref TL150084)
- U, Sandfield Road, Hertfordshire (Grid ref TL162073)
- A1057 between A1081/A4147 and Lyon Way, Hertfordshire (Grid ref TL160072)
- A1081 between A4147 and B651, Hertfordshire (Grid ref TL150077)
- C174, Colney Heath Lane, Hertfordshire (Grid ref TL180069)
- A1081 between A5183 and A4147, Hertfordshire (Grid ref TL148074)
- A5183 between A1081 and A4147, Hertfordshire (Grid ref TL143075)
- A1081 between Beesonend Lane, Harpenden and Sandridgebury Lane, St Albans, Hertfordshire (Grid ref TL143112)
- A4147 between A5183 and A1081, Hertfordshire (Grid ref TL141077)
- U, St Vincent Drive, Hertfordshire (Grid ref TL165061)
- A1081 between A414 and A5183, Hertfordshire (Grid ref TL160061)
- A5183 between A4147 and A4147, Hertfordshire (Grid ref TL139077)
- A1057 between Lyon Way, St Albans and Poplar Avenue, Hatfield, Hertfordshire (Grid ref TL200078)