Heavy traffic is building on the A12 near the Copdock Interchange (Image: Newsquest)
An obstruction on the road caused traffic delays on the A12 and A14.
According to traffic sensors on the AA, the Copdock Interchange was partially blocked from about 6.30am on Wednesday, causing queues along the major routes.
Drivers faced delays as far back as Capel St Mary on the A12.
Those travelling along the A14 were not heavily impacted until rush hour, when larger queues than normal formed in both directions at the Copdock Interchange.
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