It's on the A17 between Kings Lynn and Holbeach, the address as follows
Crown Farm,
Eastlands Bank,
Walpole St. Andrew,
Wisbech,
Cambridgeshire.
PE14 7LB.
Website is www.easupertrax.co.uk
If your using sat nav it will send you down the emergency road from the A17 for the motocross track, which is a dead end. Please follow the brown government highway signs for EASTRAX.