A two-vehicle collision is causing mass traffic along the A12 as part of the road remains blocked.
Drivers have been told the Orwell Bridge will now close at 10am this morning, missing the morning rush hour.
Traffic on key routes into Ipswich is travelling at just 5mph as cars and lorries are diverted from the A14 through the town.
Over the last five years there have been 12 major closures on the Orwell Bridge as a result of weather disruption - here we look more at the impact this has.
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