Location : The A12 southbound at junction J29 .

Location : The A13 westbound exit slip to the M25 .

Location : The M25 anticlockwise between junctions J30 and J29 .

Location : The A14 westbound between junctions J52 Claydon and J51 Needham Market.

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 .