- C, Cold Green, Hertfordshire (Grid ref TL283112)
- A414 between B1455 and Campfield Rd, Hertford, Hertfordshire (Grid ref TL300119)
- B195, Black Fan Road, Hertfordshire (Grid ref TL262120)
- B158, Lower Hatfield Road, Hertfordshire (Grid ref TL298095)
- U, School Lane, Hertfordshire (Grid ref TL276086)
- B158, High Road, Hertfordshire (Grid ref TL274083)
- U, Moorlands, Hertfordshire (Grid ref TL252112)
- U, Ridgeway, Hertfordshire (Grid ref TL254127)
- U, The Ridgeway, Hertfordshire (Grid ref TL307134)
- A414 between A1000 Mill Green Lane and B1455 Holwell Lane, Hertfordshire (Grid ref TL249100)
- B195, Welwyn Garden City, Hertfordshire (Grid ref TL252131)
- U, Daniells, Hertfordshire (Grid ref TL252131)
- B1000, Welwyn Road, Hertfordshire (Grid ref TL315128)
- A414 between Campfield Rd and A119, Hertfordshire (Grid ref TL318124)
- A119 between Bramfield Rd and A414, Hertfordshire (Grid ref TL318127)
- A1000 between inner ring road and inner ring road, Hertfordshire (Grid ref TL248135)
- U, Rowans, Hertfordshire (Grid ref TL253140)
- A414 between A119 Cross Lane and A119 Ware Rd, Hertfordshire (Grid ref TL323124)
- A1000 between Ring Rd Jct S and Ring Rd Jct N, Hertfordshire (Grid ref TL248136)
- A1000 between A1000 Mill Green Lane and A6129, Hertfordshire (Grid ref TL240101)