Highways England are reporting a queue of 4 1/2 miles
A Suffolk police spokesperson said that officers were called shortly after 2.40pm to a damage only collision on the A14 eastbound near Exning.
It’s not clear how many vehicles are currently involved but it’s thought that it could be four.
Traffic is at a stand still whilst recovery is called to the vehicles on the scene.
Highways England have reported that it will take time for the long delays to ease.
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