- A602 between A602 merge and A602 split, Hertfordshire (Grid ref TL231254)
- A602 between A602 merge and A602 split, Hertfordshire (Grid ref TL232255)
- A602 between A1072 and A602 split, Hertfordshire (Grid ref TL231257)
- A602 between A602 split and A1155, Hertfordshire (Grid ref TL232250)
- A1072 between A1155 and A602, Hertfordshire (Grid ref TL226250)
- U, Woolners Way, Hertfordshire (Grid ref TL232247)
- A602 between Coreys Mill Lane and A1072, Hertfordshire (Grid ref TL230261)
- U, Fairview Road, Hertfordshire (Grid ref TL230245)
- A1155 between A602 and A1155 St George's Way, Hertfordshire (Grid ref TL236244)
- A1155 between A1072 and A602, Hertfordshire (Grid ref TL229242)
- U, Chancellors Road, Hertfordshire (Grid ref TL234264)
- A1 between J7 / A602 and J8, Hertfordshire (Grid ref TL221261)
- A1072 between A1070 and A1155, Hertfordshire (Grid ref TL229240)
- A1155 between A1155 St George's Way and A1072, Hertfordshire (Grid ref TL242245)
- A602 between A1(M) and Coreys Mill Lane, Hertfordshire (Grid ref TL226267)
- A602 between A1155 and A1070, Hertfordshire (Grid ref TL235240)
- A1155 between A1155 Fairlands Way and A602, Hertfordshire (Grid ref TL240240)
- A1070 between A1072 and A602, Hertfordshire (Grid ref TL235236)
- A602 between A1070 and A1155, Hertfordshire (Grid ref TL239238)
- U, Hertfordshire (Grid ref TL250254)