There are long delays on the A13 after a crash.
The Southend-bound carriageway is blocked near Corringham after the incident.
Traffic is queuing back to the Stanford le Hope junction.
Emergency services are thought to be on scene.
It is not known what vehicles were involved in the accident.
Update 4.40pm
One lane is blocked following a three vehicle accident just prior to the Five Bells Interchange (A176).
Traffic slow back to the Junction for Tilbury (A1089).
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