The smash has happened at junction 35 northbound which is the turn-off to Rotherham.
Two lanes are closed.
Traffic conditions are expected to return to normal by 9am.
M1 crash sparks alert to drivers
Rush-hour drivers could face delays this morning after a crash on the M1 north of Sheffield.
By Gay Bolton
Monday, 25th March 2019, 8:01 am
Updated Monday, 25th March 2019, 8:08 am