- A602 between A505 and B656, Hertfordshire (Grid ref TL181286)
- A602 between B656 and Whitehill Rd, Hertfordshire (Grid ref TL190282)
- A602 between Whitehill Rd, Hitchin and A1(M), Hertfordshire (Grid ref TL200278)
- A602 between A1(M) and Coreys Mill Lane, Hertfordshire (Grid ref TL226267)
- A602 between Coreys Mill Lane and A1072, Hertfordshire (Grid ref TL230261)
- A602 between A1072 and A602 split, Hertfordshire (Grid ref TL231257)
- A602 between A602 merge and A602 split, Hertfordshire (Grid ref TL231254)
- A602 between A602 split and A1155, Hertfordshire (Grid ref TL232250)
- A602 between A602 merge and A602 split, Hertfordshire (Grid ref TL232255)
- A602 between A1155 and A1070, Hertfordshire (Grid ref TL235240)
- A602 between A1(M) and A1072, Hertfordshire (Grid ref TL237225)
- A602 between A1070 and A1155, Hertfordshire (Grid ref TL239238)
- A602 between A1072 and A602 Monkswood Way, Hertfordshire (Grid ref TL240227)
- A602 between A1155 and B197, Hertfordshire (Grid ref TL242230)
- A602 between B197 and Hertford Rd, Hertfordshire (Grid ref TL257226)
- A602 between Hertford Rd, Stevenage and A119, Hertfordshire (Grid ref TL291200)
- A602 between A119 and A10, Hertfordshire (Grid ref TL320192)