A HGV crashed into a broken-down lorry on the hard shoulder of the M6 near Lancaster - causing major delays for motorists.
The incident happened on the southbound carriageway, between J33 and J32, near Forton services, at 7am this morning, Tuesday.
Transport officials said the location was near Stubbins Lane, which is half-way between the junctions.
Lanes one and two were closed for several hours and a temporary 40mph speed limit was put in place.
Motorists had to slow to 25mph to get past the scene.
Lane two re-opened at 10am after debris was cleared and the second lorry was moved to the hard shoulder.
A Highways Agency spokesman said no injuries had been reported and the incident was cleared at 11am.
Lancashire Fire and Rescue Service said none of its crews were called to the scene.