Welcome to our live coverage of a crash on the M1 that has closed the motorway this morning.
According to our traffic system Inrix, the road is now closed.
It said: "M1 Southbound closed, severe delays due to serious accident from J41 A650 (Carrgate) to J40 A638 Wakefield Road (Ossett / Wakefield). Congestion to J44 (Leeds south/ Rothwell) for southbound traffic, and J38 (Woolley/ Huddersfield) for northbound due to on-lookers. Note change of details."
Cameras shows the road has actually now been closed.