- A1000 between School Rd, Potters Bar and B157, Hertfordshire (Grid ref TL261030)
- U, Swanley Bar Lane, Hertfordshire (Grid ref TL261031)
- A1000 between B156 and School Rd, Hertfordshire (Grid ref TL261020)
- A1000 between B157 and B158, Hertfordshire (Grid ref TL259041)
- C, Blue Bridge Road, Hertfordshire (Grid ref TL244033)
- U, Chace Avenue, Hertfordshire (Grid ref TL266013)
- A1000 between A111 and B156, Hertfordshire (Grid ref TL260009)
- A1000 between Hill Rise and A111, Hertfordshire (Grid ref TL259007)
- U, Station Road, Hertfordshire (Grid ref TL240042)
- A111 between Hill Rise and A1000, Hertfordshire (Grid ref TL262006)
- A111 between M25 and Hill Rise, Hertfordshire (Grid ref TL263004)
- A1000 between B158 and Dixons Hill Rd, Welham Green, Hertfordshire (Grid ref TL250055)
- M25 between J24 and Hertfordshire boundary, Hertfordshire (Grid ref TL269003)
- A1005 between Hertfordshire boundary and M25, Hertfordshire (Grid ref TL268001)
- A1000 between LA boundary and Hill Rise, Potters Bar, Hertfordshire (Grid ref TL258000)
- M25 between J23 and J24, Hertfordshire (Grid ref TL249000)
- A111 between Hertfordshire boundary and M25, Hertfordshire (Grid ref TQ267998)
- A1005 between Oak Avenue and Enfield boundary, Enfield (Grid ref TL273000)
- B158, Cumcum Hill, Hertfordshire (Grid ref TL271069)
- A111 between Waggon Rd and Enfield boundary, Enfield (Grid ref TQ271990)