- U, Homefield Road, Hertfordshire (Grid ref TQ132960)
- U, Grange Road, Hertfordshire (Grid ref TQ126958)
- U, Moatfield Road, Hertfordshire (Grid ref TQ137957)
- B462, Aldenham Road, Hertfordshire (Grid ref TQ126964)
- A411 between A4008 and A4140, Hertfordshire (Grid ref TQ130953)
- U, Harcourt Road, Hertfordshire (Grid ref TQ140960)
- U, Little Bushy Lane, Hertfordshire (Grid ref TQ142964)
- A4008 between A4008 split and A411/B462, Hertfordshire (Grid ref TQ120953)
- A411 between A4008 and A4008, Hertfordshire (Grid ref TQ119954)
- A4008 between A4008 split and A411/A4125, Hertfordshire (Grid ref TQ119953)
- A411 between A4008 and A4008, Hertfordshire (Grid ref TQ117963)
- A411 between A4008 and A4008, Hertfordshire (Grid ref TQ117963)
- M1 between LA boundary and J5, Hertfordshire (Grid ref TQ147961)
- A4008 between Hertfordshire boundary and A4008 split, Hertfordshire (Grid ref TQ120948)
- A4008 between A411 and A41/M1 roundabout, Hertfordshire (Grid ref TQ118970)
- A411 between A411 Beechen Grove split and A4008, Hertfordshire (Grid ref TQ115962)
- U, Mill Way, Hertfordshire (Grid ref TQ121973)
- A41 between A411 and B462, Hertfordshire (Grid ref TQ150959)
- A41 between B462 and A4008 / M25 J5, Hertfordshire (Grid ref TQ131978)
- A4125 between A4178 and A411/A4008, Hertfordshire (Grid ref TQ115952)