- U, Station Road, Hertfordshire (Grid ref TL240042)
- C, Blue Bridge Road, Hertfordshire (Grid ref TL244033)
- A1000 between B158 and Dixons Hill Rd, Welham Green, Hertfordshire (Grid ref TL250055)
- A1 between J1 and J2, Hertfordshire (Grid ref TL223050)
- A1000 between B157 and B158, Hertfordshire (Grid ref TL259041)
- A1000 between Dixons Hill Rd and A1001, Hertfordshire (Grid ref TL235064)
- U, Swanley Bar Lane, Hertfordshire (Grid ref TL261031)
- A1000 between School Rd, Potters Bar and B157, Hertfordshire (Grid ref TL261030)
- A1001 between A1(M) and A1000, Hertfordshire (Grid ref TL220062)
- A1000 between B156 and School Rd, Hertfordshire (Grid ref TL261020)
- U, Travellers Lane, Hertfordshire (Grid ref TL225069)
- U, Hall Gardens, Hertfordshire (Grid ref TL209057)
- A1 between J2 and J3, Hertfordshire (Grid ref TL214065)
- U, Deerswood Avenue, Hertfordshire (Grid ref TL227074)
- A1000 between A111 and B156, Hertfordshire (Grid ref TL260009)
- A1001 between A1(M) jn2 and A1(M) jn3, Hertfordshire (Grid ref TL214070)
- C, Coursers Road, Hertfordshire (Grid ref TL201046)
- M25 between J23 and J22, Hertfordshire (Grid ref TL217011)
- U, Chace Avenue, Hertfordshire (Grid ref TL266013)
- A1000 between A1001 and A414W, Hertfordshire (Grid ref TL230080)