There are major delays on the A12 near Marks Tey after a crash involving five vehicles and a lorry fire.
The crash is causing around seven miles of congestion on the A12.
National Highways said in a tweet: "Lane two (of two) is closed on the A12 northbound between junction 24 at Kelvedon and junction 25 at Marks Tey due to a reported multi vehicle collision.
"Emergency services including Essex Police are in attendance.
"Seven miles of congestion on approach leading back to junction 27."
Essex Police has been approached for a comment.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here