- U, School Lane, Hertfordshire (Grid ref TL133010)
- M1 between J5 and J6, Hertfordshire (Grid ref TL123002)
- A405 between A412 and M1, Hertfordshire (Grid ref TL117010)
- U, Garston Lane, Hertfordshire (Grid ref TL120000)
- A405 between M1 and M25, Hertfordshire (Grid ref TL119022)
- A412 between A41(T) and A405(T), Hertfordshire (Grid ref TL114000)
- M1 between J6 and J6A, Hertfordshire (Grid ref TL118024)
- M25 between J21A and J21, Hertfordshire (Grid ref TL125031)
- C, Sheepcot Lane, Hertfordshire (Grid ref TQ111999)
- A405 between A41 and A412, Hertfordshire (Grid ref TL110004)
- A41 between Woodmere Ave and A412, Hertfordshire (Grid ref TQ120989)
- A41 between A4008 / M25 J5 and Woodmere Ave, Hertfordshire (Grid ref TQ125984)
- A405 between M25 and Tippendell Lane, St Albans, Hertfordshire (Grid ref TL136039)
- A5183 between A411 and Park Street Lane, St Albans, Hertfordshire (Grid ref TL163000)
- U, Westfield Avenue, Hertfordshire (Grid ref TQ117982)
- C77, Hill Farm Avenue, Hertfordshire (Grid ref TL101009)
- A41 between B462 and A4008 / M25 J5, Hertfordshire (Grid ref TQ131978)
- U, Fuller Gardens, Hertfordshire (Grid ref TQ107988)
- M25 between J21A and J22, Hertfordshire (Grid ref TL162027)
- A41 between A412 and A405, Hertfordshire (Grid ref TQ100995)