START (GR 657637) at paint mark on A142 just before slip road to A14 westbound. Take slip road & continue onto A14 westbound, and stay in left lane onto A11 where A14 diverges. Continue to Four Went Ways (12.77m), where take slip road to elevated roundabout and circle to rejoin A11 northbound. Retrace via A11 and A14 to FINISH (658632) at last drain cover before 'Give way in 100Yds' sign on slip road to A142.
NOTE: No vehicles to park on slip road or verge, it is a clearway and stopping is an offence.