The incident closed one lane of the motorway between junctions 26 and 25.
All lanes are now open again, but there are length delays as the tailbacks clear.
Delays after M1 crash
Highways England is reporting long delays on the M1 southbound this morning following an accident.
By The Newsroom
Tuesday, 29th August 2017, 10:09 am
Updated Monday, 11th September 2017, 12:48 pm