From the M67 join the M60 towards Stockport.
After 7 miles, leave the M60 at Junction 4 (Chester, M6) to join the M56
Stay on the M56 for 7 miles, coming off at junction 7 (Northwich, M6) to join the A556.
The roundabout can be avoided by using the slip road.
Stay on the A556 for 5 miles to the roundabout with the M6.
Join the M6 southbound (Birmingham) avoiding the roundabout by using the slip road.
Stay on the M6 for 98 miles to the junction with the M1.
Join the M1 Southbound towards London.
Stay on the M1 for 64 miles, leaving at junction 6A, signposted Harlow to join the M25.
Stay on the M25 for 8 miles, leaving at junction 23 (Hatfield).
At the roundabout at the end of the slip road, turn right (exit 4 of 6) onto the A1081 (St Albans Road).
Follow signs for Barnet.
Stay on the A1081 for 2 1/2 miles (the road becomes the A1000), and you will pass a tube station (High Barnet).
The ground is just beyond before the road forks.