Lengthy queues formed on the Orwell Bridge just outside of Ipswich ahead of rush hour.
Traffic cameras pictured vehicles at a standstill at junctions 56 and 57 on the A14.
According to the AA Traffic Map, motorists queued as far back as the interchange for the A12 on the westbound carriageway.
By 6pm, the traffic had passed and vehicles were no longer queueing.
A spokesman for Suffolk police confirmed that officers were at the scene to recover a broken down vehicle.
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