Emergency services attended a three vehicle collision at 7am this morning along the northbound carriageway of the A19 near Dalton Park, Murton.
The incident created a lane two closure until around 8.15am when the road fully re-opened.
It is believed there were no injuries.
A National Highways spokesperson said: “This was a Durham Constabulary-led incident. National Highways offered support to the police who attended the scene.
“We understand there were no injuries.”