There were lengthy delays on the A12 outside Ipswich after a crash involving a lorry and a car.
Police were called to the crash on the northbound carriageway shortly after 1.50pm on Thursday.
A spokeswoman for Suffolk police said a Nissan Micra was involved in the crash.
No injuries have been reported but the outside lane of the carriageway was blocked after the incident.
According to the AA Traffic Map there were heavy delays in the area.
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