Location : The A5 southbound between the junctions with the A5183 and the M1 .

Location : The M1 northbound exit slip at junction J11A .

Location : The A13 westbound entry slip from the A126 .

Location : The M11 northbound between junctions J6 and J7 .

Location : The M40 southbound at junction J9 .

Location : The M40 southbound entry slip at junction J9 .

Location : The A34 southbound entry slip from the A423 north of Kennington.

Location : The M40 northbound between junctions J8A and J9 .

Location : The A308M eastbound between the junctions with the M4 and the A308 .

Location : The M4 westbound between junctions J13 and J14 .

Location : The M4 westbound entry slip at junction J6 .

Location : The M4 westbound between junctions J6 and J7 .