- A507 between A505 and Wallington Rd, Hertfordshire (Grid ref TL250336)
- U, Hertfordshire (Grid ref TL249331)
- A505 between A6141 and A507, Hertfordshire (Grid ref TL245340)
- A6141 between A505 and Weston Way, Hertfordshire (Grid ref TL247330)
- C, Sale Drive, Hertfordshire (Grid ref TL252342)
- A507 between Salisbury Rd and A505, Hertfordshire (Grid ref TL245342)
- A505 between A6141 and A6141, Hertfordshire (Grid ref TL239335)
- A1 between J9 and Hertfordshire boundary, Hertfordshire (Grid ref TL239330)
- C, Ashwell Road, Hertfordshire (Grid ref TL256349)
- A507 between A1(M) and Salisbury Rd, Baldock, Hertfordshire (Grid ref TL241348)
- U, Quinn Way, Hertfordshire (Grid ref TL232322)
- U, Jackman's Place, Hertfordshire (Grid ref TL228324)
- A505 between A1(M) and Baldock Roundabout, Hertfordshire (Grid ref TL241312)
- A6141 between Baldock Lane and A505, Hertfordshire (Grid ref TL228320)
- C, Wallington Road, Hertfordshire (Grid ref TL277342)
- U, Eastern Way, Hertfordshire (Grid ref TL221339)
- A6141 between A1(M) and Baldock Lane, Hertfordshire (Grid ref TL234310)
- A6141 between A1(M) and Weston Way, Hertfordshire (Grid ref TL237308)
- A505 between Stotwold Rd/Queenswood Drive and A6141, Hertfordshire (Grid ref TL223320)
- A1 between LA boundary and J10, Central Bedfordshire (Grid ref TL233362)