- U, Horse Hill, Buckinghamshire (Grid ref TL004003)
- U, Flaunden Lane, Hertfordshire (Grid ref TL023008)
- A404 between Church Grove, Little Chalfont and Buckinghamshire boundary, Buckinghamshire (Grid ref TQ010978)
- A404 between A404 Woodside Rd roundabout and Church Grove, Little Chalfont, Buckinghamshire (Grid ref TQ000977)
- B4505, Chesham Road, Buckinghamshire (Grid ref SP997034)
- U, Burtons Lane, Buckinghamshire (Grid ref SU996968)
- U, Bois Moor Road, Buckinghamshire (Grid ref SP968001)
- A404 between Hertfordshire boundary and road from North Hill, Hertfordshire (Grid ref TQ026975)
- U, High Street, Hertfordshire (Grid ref TL013038)
- U, Coke's Lane, Buckinghamshire (Grid ref SU990967)
- A4154 between A416 and A404 Stanley Hill roundabout, Buckinghamshire (Grid ref SU970983)
- U, Crabbe Crescent, Buckinghamshire (Grid ref SP967027)
- A416 between A404 and B485, Buckinghamshire (Grid ref SP959000)
- U, Blackettswood Drive, Hertfordshire (Grid ref TQ019960)
- C, Rectory Hill, Buckinghamshire (Grid ref SU962983)
- A404 between road from North Hill, Chorleywood and M25, Hertfordshire (Grid ref TQ033967)
- A404 between A355 and A404 Woodside Rd roundabout, Buckinghamshire (Grid ref SU970971)
- A416 between A355 and A404, Buckinghamshire (Grid ref SU963980)
- A416 between B485 and B4505, Buckinghamshire (Grid ref SP960019)
- A416 between B4505 and Preston Hill, Buckinghamshire (Grid ref SP962027)