There are currently long delays on the A14 near Bury St Edmunds.
Traffic has come to a standstill in the westbound carriageway after a lorry broke down.
A spokeswoman for Suffolk police said a broken down lorry was blocking one lane of the slip road at the Westley turn off.
The AA Traffic Map states there is currently delays of over 20 minutes in the area.
Queues are building between junction 42 at Westley back to junction 46 at Beyton Green.
The delays even caused some school buses to be delayed.
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