Traffic is queueing on the London-bound carriageway of the A12 following a two-vehicle accident this morning.
Police were alerted to the incident at around 7.45am, between Witham and Hatfield Peverel.
The two vehicles involved in the crash were a silver Nissan Navara and a green Ford Fiesta.
A police spokesman said: "There are believed to have been no injuries."
Traffic had queued back to junction 23 at Kelvedon South an hour after the crash.
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