One out of three lanes have been closed due to a collision on the M1 Southbound near Milton Keynes.
One lane has been closed due to a collision on the M1 Southbound between Junction 15 (Northampton) to Junction 14 (Newport Pagnell).
National Highways say this is due to a collision.
Traffic Officers, Northants Police and Recovery are on their way to the area.
The extent of the collision is not yet known.