You'll find the circuit 10 miles north-east of Thetford on the A11 from London to Norwich. Coming from the south, leave the M11 at junction 9 and follow the A11. From the north or west, use the M11/A11 and join the A11 after Newmarket.
Eccles Road, Attleborough and Thetford stations are on the main Cambridge to Norwich line.
Norfolk NR16 2JU