A man was taken to hospital following a crash on the A47 near Honingham, outside Norwich.
The crash, involving a motorcycle and a white transit van, happened at about 7.40am on the eastbound carriageway and left the road partially blocked both ways near the Wood Lane junction.
An East of England Ambulance Service spokesman said a man in his 40s suffered an arm injury and was taken to the Norfolk and Norwich University Hospital.
Following the crash motorists reported long queues of traffic, particularly in the Norwich-bound direction.
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