- C, Blue Bridge Road, Hertfordshire (Grid ref TL244033)
- U, Station Road, Hertfordshire (Grid ref TL240042)
- U, Swanley Bar Lane, Hertfordshire (Grid ref TL261031)
- A1000 between B157 and B158, Hertfordshire (Grid ref TL259041)
- A1000 between School Rd, Potters Bar and B157, Hertfordshire (Grid ref TL261030)
- A1000 between B156 and School Rd, Hertfordshire (Grid ref TL261020)
- A1000 between B158 and Dixons Hill Rd, Welham Green, Hertfordshire (Grid ref TL250055)
- A1 between J1 and J2, Hertfordshire (Grid ref TL223050)
- A1000 between A111 and B156, Hertfordshire (Grid ref TL260009)
- U, Chace Avenue, Hertfordshire (Grid ref TL266013)
- A1000 between Hill Rise and A111, Hertfordshire (Grid ref TL259007)
- A111 between Hill Rise and A1000, Hertfordshire (Grid ref TL262006)
- A1000 between Dixons Hill Rd and A1001, Hertfordshire (Grid ref TL235064)
- M25 between J23 and J24, Hertfordshire (Grid ref TL249000)
- M25 between J23 and J22, Hertfordshire (Grid ref TL217011)
- A111 between M25 and Hill Rise, Hertfordshire (Grid ref TL263004)
- A1000 between LA boundary and Hill Rise, Potters Bar, Hertfordshire (Grid ref TL258000)
- A1001 between A1(M) and A1000, Hertfordshire (Grid ref TL220062)
- A1 between A1 and M25, Hertfordshire (Grid ref TQ224999)
- M25 between J24 and Hertfordshire boundary, Hertfordshire (Grid ref TL269003)