Drivers faced delays on the A1M following a collision.
Highways England confirmed on Saturday shortly before 8.30am that lane three of the road was closed in both directions due to a collision.
The incident caused "severe" damage to the central reservation barrier, they said, with traffic officers attending the scene.
The agency also reminded motorists of "adverse" weather affecting the area.
A message on Highways England Twitter account said: "A1M at J64 Washington - Lane 3 closure in place on both carriageways due to a collision which has resulted in severe central reservation barrier damage. #TrafficOfficers on scene and barrier crews on their way. Adverse weather still affecting the area."
At around 11am, the agency confirmed that a temporary repair had been carried out to the central reservation, with lanes reopening fully to traffic.
A further message on Twitter added: "A permanent fix will be carried out at a later date."