Location : The A404 northbound between the A4155 and the junction with the M40 .

Location : The A1 northbound exit slip to the M25 .

Location : The A34 northbound entry slip from the A4130 .

Location : The A34 southbound between the junctions with the A415 and the A4130 .

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 .