- U, Pinewood Green, Buckinghamshire (Grid ref TQ019841)
- A4007 between A412 and Buckinghamshire boundary, Buckinghamshire (Grid ref TQ026830)
- M40 between J1A and J1, Buckinghamshire (Grid ref TQ031857)
- A412 between M40 Jct 1 and M40, Buckinghamshire (Grid ref TQ038850)
- M25 between J16 and J15, Buckinghamshire (Grid ref TQ040833)
- A40 between A413 and A412, Buckinghamshire (Grid ref TQ027868)
- A40 between A412 and M40 jn1/A412, Buckinghamshire (Grid ref TQ040863)
- U, Howards Wood Drive, Buckinghamshire (Grid ref TQ000865)
- U, Coronation Avenue, Buckinghamshire (Grid ref TQ001815)
- A4020 between M40 and Buckinghamshire boundary, Buckinghamshire (Grid ref TQ048850)
- A4007 between Hillingdon boundary and A4020/A408, Hillingdon (Grid ref TQ050838)
- M40 between A40 / A412 and A40, Buckinghamshire (Grid ref TQ046857)
- A40 between A412 and M40, Buckinghamshire (Grid ref TQ046857)
- U, Campion Close, Buckinghamshire (Grid ref TQ042862)
- U, Southlands Road, Buckinghamshire (Grid ref TQ039865)
- A40 between Fulmer Rd, Gerrards Cross and A413, Buckinghamshire (Grid ref TQ012873)
- A412 between Buckinghamshire boundary and A4007 roundabout, Buckinghamshire (Grid ref TQ000814)
- B470, Langley Park Road, Buckinghamshire (Grid ref TQ019807)
- A4020 between Hillingdon boundary and B467 Harefield Rd, Hillingdon (Grid ref TQ052845)
- A4020 between B467 Harefield Rd and A4007/Hillingdon Rd roundabout, Hillingdon (Grid ref TQ053841)