- C, The Ridgeway, Harrow (Grid ref TQ137877)
- U, Grosvenor Avenue, Harrow (Grid ref TQ138881)
- A4090 between A312 and A404, Harrow (Grid ref TQ132880)
- A404 between A4090 and A4005, Harrow (Grid ref TQ140884)
- U, High Worple, Harrow (Grid ref TQ128874)
- A312 between A4005 and A404, Harrow (Grid ref TQ147870)
- A404 between Headstone Lane and A4090, Harrow (Grid ref TQ135890)
- A404 between A312 and A4005, Harrow (Grid ref TQ149880)
- U, Yeading Avenue, Harrow (Grid ref TQ123872)
- C, Parkside Way, Harrow (Grid ref TQ139891)
- A4005 between A4127 and A312, Harrow (Grid ref TQ150868)
- A404 between A312 and B458, Harrow (Grid ref TQ153878)
- A312 between A4090 and A4005, Harrow (Grid ref TQ140860)
- C, Harrow View, Harrow (Grid ref TQ148889)
- U, Radnor Road, Harrow (Grid ref TQ150888)
- A4005 between A404 and A409, Harrow (Grid ref TQ155883)
- A409 between A404 and A4005, Harrow (Grid ref TQ157883)
- U, Long Drive, Hillingdon (Grid ref TQ120861)
- A404 between B458 and A409/A4006 roundabout, Harrow (Grid ref TQ160879)
- A312 between A4090 and A4090, Ealing (Grid ref TQ137853)