B100/4A (Besthorpe – Wymondham – Larling Circuit)
START at paint mark at far end of lay-by on A11 at Besthorpe just prior to Shell Service Station. Proceed east on A11 to Browick interchange, turn left onto slip-road signed ‘Mulberton’ & proceed to Browick RAB (1), take 3rd exit & proceed over bridge to Browick RAB (2), take 2nd exit to rejoin A11 westbound. Proceed on A11 via Attleborough RAB to Larling interchange, turn left onto slip-road signed ‘B1111- East Harling, Watton, Garboldisham’. Proceed on slip-road to T junction with B1111, turn right CAUTION & proceed to turnleft onto slip-road to join A11 eastbound. Proceed on A11 eastbound via Attleborough RAB to complete 1st circuit at lay-by just prior to Besthorpe Shell Service Station.
End of 1st circuit = 26.051 miles
End of 2nd circuit = 52.102 miles
End of 3rd circuit = 78.153 miles
On 4th circuit FINISH at paint mark on kerb 0.129 miles before Attleborough RAB when returning from Larling interchange.