- A41 between Woodmere Ave and A412, Hertfordshire (Grid ref TQ120989)
- A41 between A4008 / M25 J5 and Woodmere Ave, Hertfordshire (Grid ref TQ125984)
- U, Westfield Avenue, Hertfordshire (Grid ref TQ117982)
- C, Radlett Road, Hertfordshire (Grid ref TQ117978)
- U, Garston Lane, Hertfordshire (Grid ref TL120000)
- A412 between A41(T) and A405(T), Hertfordshire (Grid ref TL114000)
- U, Fuller Gardens, Hertfordshire (Grid ref TQ107988)
- C, Sheepcot Lane, Hertfordshire (Grid ref TQ111999)
- M1 between J5 and J6, Hertfordshire (Grid ref TL123002)
- U, Middle Way, Hertfordshire (Grid ref TQ105987)
- U, Mill Way, Hertfordshire (Grid ref TQ121973)
- A41 between B462 and A4008 / M25 J5, Hertfordshire (Grid ref TQ131978)
- U, Reeds Crescent, Hertfordshire (Grid ref TQ112973)
- U, Dell Road, Hertfordshire (Grid ref TQ102988)
- A405 between A41 and A412, Hertfordshire (Grid ref TL110004)
- A412 between A411 and A41(T), Hertfordshire (Grid ref TQ108975)
- A4008 between A411 and A41/M1 roundabout, Hertfordshire (Grid ref TQ118970)
- A41 between A412 and A405, Hertfordshire (Grid ref TQ100995)
- U, Park Road, Hertfordshire (Grid ref TQ103976)
- A405 between A412 and M1, Hertfordshire (Grid ref TL117010)