Three people have been taken to hospital following a two-vehicle collision.
The emergency services rushed to the A19 near Sunderland shortly after 5pm on Thursday evening. Around five police vehicles, six ambulances and the fire service are understood to have attended the scene.
The collision occurred between the A1231 Sunderland Highway and A690 Durham Road (Herrington Interchange). It caused major delays for drivers, with traffic moving at around five mph. A diversion was set up via the A183.