Location : The A1307 eastbound between the junctions with the M11 and the A1134 .

Location : The A404 northbound at the junction with the M40 .

Location : The A47 eastbound between the junctions with the A1101 and the A17 .

Location : The M1 southbound exit slip at junction J13 .

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 between junctions J6 and J7 .

Location : The M4 westbound at junction J6 .