An accident involving a single vehicle closed one lane of the A14 between junctions 9 and 10 earlier today.
Northamptonshire Police say they were called to the scene at about 12.20pm.
On his Twitter feed, PC Dave Lee, of Northamptonshire Police, said a vehicle had reportedly left the road and one lane had been shut.
Northamptonshire Fire Service said crews were called to the scene had made the vehicle safe.
Another accident, at about 1pm near Thrapston, closed one westbound lane on the A14 between junctions 13 and 12.