- C, Cow Lane, Hertfordshire (Grid ref SP938115)
- A41 between A4251 and B488/B4635, Hertfordshire (Grid ref SP926108)
- C, Dundale Road, Hertfordshire (Grid ref SP920120)
- U, Barbers Walk, Hertfordshire (Grid ref SP917111)
- C, Tring Ford Road, Hertfordshire (Grid ref SP922132)
- C, Miswell Lane, Hertfordshire (Grid ref SP914116)
- A4251 between A41 / B4635 and Boswick Lane, Berkhamstead, Hertfordshire (Grid ref SP961100)
- C70, Toms Hill Road, Hertfordshire (Grid ref SP967123)
- A41 between LA Boundary Buckinghamshire County and B4009, Hertfordshire (Grid ref SP905112)
- A41 between B488/B4635 and Hertfordshire boundary, Hertfordshire (Grid ref SP905112)
- A41 between Buckinghamshire boundary and A4011, Buckinghamshire (Grid ref SP900113)
- A41 between B489 and LA Boundary Hertfordshire County, Buckinghamshire (Grid ref SP899119)
- A4251 between Boswick Lane and B4506, Hertfordshire (Grid ref SP970091)
- A41 between A4011 and B489 Lower Icknield Way, Buckinghamshire (Grid ref SP890117)
- A41 between A416 and A4251, Hertfordshire (Grid ref SP970076)
- A4251 between B4506 and A416, Hertfordshire (Grid ref SP980084)
- C, Buckinghamshire (Grid ref SP899073)
- U, Bridgewater Road, Hertfordshire (Grid ref SP988085)
- A41 between BEDGROVE East Aylesbury and B489, Buckinghamshire (Grid ref SP878131)
- A416 between A416 split Kingshll Way Rndbt and A4251, Hertfordshire (Grid ref SP985072)