Location : The A5 northbound between the junctions with the A5183 and the A4012 .

Location : The A14 eastbound between junctions J60 Dockspur Roundabout and J62 Dockgate Roundabout.

Location : The A12 northbound between junctions J19 and J20B .

Location : The M11 southbound between junctions J7A and J7 .

Location : The M40 southbound entry slip at junction J9 .

Location : The A404 southbound between the A4130 and the junction with the A4 .

Location : The A404 southbound exit slip to the A4 .

Location : The M4 eastbound entry slip at junction J6 .

Location : The M40 northbound between junctions J8A and J9 .

Location : The M4 westbound at junction J6 .

Location : The M4 westbound between junctions J5 and J6 .

Location : The M4 westbound exit slip at junction J6 .