Location : The M25 clockwise exit slip at junction J30 .

Location : The junction of the A414 and the A1M .

Location : The M4 westbound between junctions J1 and J2 .

Location : The M1 northbound between junctions J12 and J13 .

Location : The A34 northbound.

Location : The A34 northbound.

Location : The M40 northbound between junctions J8A and J9 .

Location : The A47 westbound between the A140 and the junction with the A1074 .

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

Location : The A11 northbound between the junctions with the A1307 and the A14 .

Location : The M40 southbound exit slip at junction J9 .

Location : The A47 eastbound at the junction with the A1101 .