Heavy traffic is causing tailbacks on the A47 as drivers head to the Norfolk Showground to see the climax of today's stage of the Tour of Britain.

The cycle race has drawn huge crowds along the route through Suffolk and Norfolk today, with thousands expected to be watching the sprint finish at the Norfolk Showground in Costessey, due to take place at 2.44pm.

Drivers have reported two-mile tailbacks on the A47 in the Dereham-bound direction, with some taking about 20 minutes to get into the entrance.