Drivers are facing delays on the busy A1 road this morning following a crash.
It happened on the northbound side of the road at junction 63, the turn-off for Chester-le-Street.
It is believed to involve one car.
North East Traffic Live tweeted: "A1(M) northbound delays and one lane partially obstructed at the J63 Chester Le Street slip offslip due to a single vehicle collision."
It is not yet known if anyone has been injured in the incident.