The A12 is closed in north Suffolk following a two-vehicle crash.
Emergency services were called to the crash near Frostenden at about 9am on Tuesday.
A spokeswoman for Suffolk police said no serious injuries have been reported but the road has been closed to allow recovery of vehicles to take place.
The ambulance service and highways have also been called to the scene.
According to the AA Traffic Map there are severe delays in the area.
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