- U, Lauderdale Road, Hertfordshire (Grid ref TL084008)
- U, Hazelwood Lane, Hertfordshire (Grid ref TL085011)
- U, Hazelbury Avenue, Hertfordshire (Grid ref TL084013)
- U, Gallows Hill, Hertfordshire (Grid ref TL082014)
- A41 between A417 / M25 JCT 19 SPUR and M25 JCT 20, Hertfordshire (Grid ref TL083000)
- M25 between J19 and J20, Hertfordshire (Grid ref TL074000)
- A4251 between Home Park Mill Link Rd, Kings Langley and M25 Jn20, Hertfordshire (Grid ref TL075017)
- A41, Abbots Langley, Hertfordshire (Grid ref TQ094999)
- A41 between A411 / M25 J19 SPUR and A405, Hertfordshire (Grid ref TQ090995)
- A41, Hertfordshire (Grid ref TQ090995)
- A41, Hertfordshire (Grid ref TQ092996)
- M25 between J19 and A41, Hertfordshire (Grid ref TQ080993)
- A4251 between Nash Mills Lane, Hemel Hempstead and Home Park Mill Link Rd, Kings Langley, Hertfordshire (Grid ref TL074020)
- A41, Hertfordshire (Grid ref TQ094996)
- A41, Hertfordshire (Grid ref TQ095996)
- C77, Hill Farm Avenue, Hertfordshire (Grid ref TL101009)
- A411 between M25 and Courtlands Drive, Hertfordshire (Grid ref TQ088990)
- U, Courtlands Drive, Hertfordshire (Grid ref TQ093990)
- A41 between A412 and A405, Hertfordshire (Grid ref TQ100995)
- A405 between A41 and A412, Hertfordshire (Grid ref TL110004)