Traffic built up on the A14 outside Ipswich after an ambulance broke down earlier today.
The incident happened on the eastbound carriageway of the Orwell Bridge shortly after 1pm on Friday.
According to the AA traffic map, drivers were queueing back as far as the Copdock Interchange.
The road was cleared a short while later and traffic was able to pass.
A Suffolk police spokesman confirmed the ambulance broke down after a wheel fell off.
The spokesman said no passenger was on board the ambulance at the time.
The incident comes a short while after a three-car crash blocked the A12 outside Ipswich.
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