There are delays on the A14 outside of Ipswich after a crash involving two cars.
Police were called to the westbound carriageway between junctions 55 and 56, approaching the Copdock Interchange, at about 7.35am.
The incident has caused one lane of the road to be blocked while the vehicles are recovered, a Suffolk police spokesman said.
No injuries have been reported in the incident.
The AA traffic map is suggesting drivers are queuing over the Orwell Bridge.
For up-to-date information about the county's roads, visit our LIVE Suffolk traffic map.
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