The A47 has reopened between King's Lynn and Wisbech following a crash between two heavy goods vehicles.
Highways England said the carriageway between the A17 junction and B198 junction at Wisbech was blocked due to an accident on Saturday morning.
In a Twitter post, Highways England said 'complex recovery work' was required following a 'serious' collision between two HGVs.
But shortly after 7am, it said the road was fully open in both directions.
It said: 'A47 in Norfolk between A17 (KingsLynn) and B198 (Wisbech) is now fully open in both directions as recovery is complete following an earlier collision. There are no delays.'
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