A three vehicle crash is currently causing delays on the A12 near the Copdock Interchange (Image: Google Maps)
Traffic is building on the A12 at the Copdock Interchange outside Ipswich due to a broken-down lorry.
Suffolk police said on Twitter one lane of the southbound carriageway had closed shortly before 9am on Wednesday.
Police warned drivers the closure is set to remain in place throughout the morning.
According to the AA traffic map, queues are forming up to the Copdock Interchange.
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