- A41 between A410 and M1 spur, Barnet (Grid ref TQ184933)
- A410 between A5 and A41, Barnet (Grid ref TQ185930)
- A5 between Barnet boundary and A410, Barnet (Grid ref TQ180932)
- A410 between A4140 and A5, Harrow (Grid ref TQ180927)
- U, Ashcombe Gardens, Barnet (Grid ref TQ191926)
- A41 between A1 and A410, Barnet (Grid ref TQ194928)
- A41 between M1 spur and Barnet boundary, Barnet (Grid ref TQ176942)
- M1 between A41 and LA boundary, Barnet (Grid ref TQ175943)
- A5 between Harrow boundary and A41, Harrow (Grid ref TQ173942)
- A41 between Hertfordshire boundary and A5183, Hertfordshire (Grid ref TQ175944)
- A5 between A410 and A5100, Barnet (Grid ref TQ190919)
- A410 between A4140 and A4140, Harrow (Grid ref TQ171923)
- A5100 between A5 and A5109, Barnet (Grid ref TQ200924)
- A5183 between A41 and A411, Hertfordshire (Grid ref TQ176950)
- M1 between Harrow boundary and Harrow boundary, Harrow (Grid ref TQ169946)
- B461, Whitchurch Lane, Harrow (Grid ref TQ187913)
- M1 between J2 and J4, Barnet (Grid ref TQ201943)
- A5 between A5100 and A5109, Harrow (Grid ref TQ194914)
- A411 between A41(T) and A5183, Hertfordshire (Grid ref TQ170951)
- A5109 between A5100 and A1/A41, Barnet (Grid ref TQ207926)