- A404 between A4125 and Hillingdon boundary, Hillingdon (Grid ref TQ100906)
- U, Hillside Gardens, Hillingdon (Grid ref TQ104910)
- U, Alandale Drive, Hillingdon (Grid ref TQ106904)
- U, Tolcarne Drive, Hillingdon (Grid ref TQ104900)
- A404 between A4180 and A4125, Hillingdon (Grid ref TQ090909)
- A404 between Harrow boundary and Elm Park Rd, Harrow (Grid ref TQ110901)
- U, Carew Road, Hillingdon (Grid ref TQ096916)
- A4125 between A404 and Hillingdon boundary, Hillingdon (Grid ref TQ100917)
- U, Albury Drive, Harrow (Grid ref TQ112908)
- U, Farmlands, Hillingdon (Grid ref TQ103892)
- A4125 between Hertfordshire boundary and B4542, Hertfordshire (Grid ref TQ102920)
- U, Elm Park Road, Harrow (Grid ref TQ114900)
- B469, Green Lane, Hillingdon (Grid ref TQ086914)
- U, Sandy Lodge Way, Hillingdon (Grid ref TQ090920)
- A404 between Elm Park Rd and A410, Harrow (Grid ref TQ120906)
- A4180 between Northgate and A404, Hillingdon (Grid ref TQ082915)
- U, Reservoir Road, Buckinghamshire (Grid ref TQ085890)
- C, Cheney Street, Hillingdon (Grid ref TQ112888)
- U, Ashridge Drive, Hertfordshire (Grid ref TQ113924)
- U, The Fairway, Hertfordshire (Grid ref TQ092927)