A crash on the A12 near Marks Tey is causing substantial congestion in the northbound direction (Image: Google Maps)
A crash near Marks Tey in Essex has caused serious congestion on the A12 and A120.
This was in the northbound direction, around where the two roads meet at Junction 25.
According to a tweet from Essex County Council, the A12 was closed, though one lane has now reopened.
The vehicles involved and the extent of any injuries are still unclear.
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