THE A12 was closed after a lorry shed its load of concrete blocks.
The northbound carriageway was closed at junction 25, at Marks Tey betwen 7pm and 9.45pm.
Long delays are now cleared.
It came after two vehicles collided at junction 27, at Spring Lane, shortly after 6.05pm.
The lorry was waiting in queueing traffic caused by the accident when the concrete was shed.