- U, Orchard Grove, Buckinghamshire (Grid ref SU992906)
- U, Woodside Hill, Buckinghamshire (Grid ref TQ003903)
- U, Lincoln Road, Buckinghamshire (Grid ref TQ004905)
- C, Narcot Lane, Buckinghamshire (Grid ref SU989918)
- A413 between B416 and Cherry Acre, Chalfont, Buckinghamshire (Grid ref TQ000917)
- A413 between A40 and B416, Buckinghamshire (Grid ref TQ004900)
- U, Oval Way, Buckinghamshire (Grid ref TQ000891)
- C, Jordans Lane, Buckinghamshire (Grid ref SU974911)
- A40 between Bulstrode Way and B416, Buckinghamshire (Grid ref SU997884)
- A40 between B416 and Fulmer Rd, Buckinghamshire (Grid ref TQ000881)
- M25 between J16 and Buckinghamshire boundary, Buckinghamshire (Grid ref TQ020907)
- U, Stylecroft Road, Buckinghamshire (Grid ref SU995935)
- U, Albion Crescent, Buckinghamshire (Grid ref SU985935)
- A40 between A355 and Bulstrode Way, Gerrards Cross, Buckinghamshire (Grid ref SU960897)
- C, Mill Lane, Buckinghamshire (Grid ref SU988941)
- A40 between Fulmer Rd, Gerrards Cross and A413, Buckinghamshire (Grid ref TQ012873)
- M25 between Hertfordshire boundary and J17, Hertfordshire (Grid ref TQ023929)
- A355 between M40 and A40 London Rd roundabout, Buckinghamshire (Grid ref SU953896)
- A412 between Hertfordshire boundary and A412 split, Hertfordshire (Grid ref TQ030917)
- M40 between J2 and J1A, Buckinghamshire (Grid ref SU995865)