Traffic built up near the Orwell Bridge outside of Ipswich after a vehicle broke down.
A Suffolk police spokesman confirmed officers were called to the westbound carriageway near junction 57 the A14 just after 5pm today.
The vehicle had broken down just before the bridge and has partially blocked the road, the spokesman added.
The AA traffic map suggested there were delays of 16 minutes on the A14, with motorists queuing back to the interchange for the A12.
The road was cleared a short while later.
For up-to-date information about the county's roads, visit our LIVE Suffolk traffic map.
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