Location : The A12 southbound between junctions J29 and J28 .

Location : The M1 southbound at junction J11A .

Location : The A13 westbound between the A1089 and the junction with the M25 .

Location : The A1M southbound between junctions J16 and J15 .

Location : The A14 eastbound between junctions J37 Newmarket West and J39 Kentford.

Location : The A34 northbound between the A423 north of Kennington and the junction with the A44 .

Location : The A34 northbound entry slip from the A420 .

Location : The A34 northbound exit slip to the A420 .

Location : The M4 westbound entry slip at junction J12 .

Location : The M4 westbound exit slip at junction J12 .

Location : The M4 westbound between junctions J11 and J12 .

Location : The M4 westbound at junction J11 .