- C70, Toms Hill Road, Hertfordshire (Grid ref SP967123)
- A4251 between A41 / B4635 and Boswick Lane, Berkhamstead, Hertfordshire (Grid ref SP961100)
- C, Cow Lane, Hertfordshire (Grid ref SP938115)
- A4251 between Boswick Lane and B4506, Hertfordshire (Grid ref SP970091)
- A4251 between B4506 and A416, Hertfordshire (Grid ref SP980084)
- A41 between A4251 and B488/B4635, Hertfordshire (Grid ref SP926108)
- U, Bridgewater Road, Hertfordshire (Grid ref SP988085)
- A4146 between LA boundary and B4506, Buckinghamshire (Grid ref SP994157)
- C, Tring Ford Road, Hertfordshire (Grid ref SP922132)
- A4146 between Central Bedfordshire boundary and LA boundary, Central Bedfordshire (Grid ref TL007142)
- A41 between A416 and A4251, Hertfordshire (Grid ref SP970076)
- C, Dundale Road, Hertfordshire (Grid ref SP920120)
- A4146 between B489 and B4508, Buckinghamshire (Grid ref SP990164)
- C, Nettleden Road, Hertfordshire (Grid ref TL013107)
- U, Barbers Walk, Hertfordshire (Grid ref SP917111)
- C, Miswell Lane, Hertfordshire (Grid ref SP914116)
- A416 between A416 split Kingshll Way Rndbt and A4251, Hertfordshire (Grid ref SP985072)
- A4251 between A416 and Hall Park Gate, Hertfordshire (Grid ref SP997075)
- A416 between A416 Kingshill Way and A41, Hertfordshire (Grid ref SP988067)
- A416 between A416 Chesham Road and A41, Hertfordshire (Grid ref SP984065)