The carriageway on the A11 has been cleared after a crash between a car and a lorry.
A lorry and an Audi A5 collided on the roundabout next to the Thetford Forest Retail Park and blocked the dual carriageway travelling northbound.
Police were on scene for an hour trying to clear the lane to allow motorists through and assisted with traffic flow.
A police spokesman said: 'Police were called at around 11.30 to the Thetford Forest Retail Park to a collision involving a lorry and an Audi.
'It appears only the two vehicles were involved and no-one has been injured.
'After an investigation both vehicles were deemed drivable and after the drivers had exchanged details the scene was cleared.'
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