LIVE: M1 southbound lane reopens after serious multi-vehicle crash - traffic updates
The southbound lane of the M1 has re-opened between J34 and J35 after to a collision involving multiple vehicles.
M1 northbound remains closed at J34.
Highways England are beginning rearward relief to remove trapped traffic from the area.
It will take approx two hours to clear all trapped vehicles
South Yorkshire Fire and Rescue are at the scene
Traffic is being diverted to J35
Bus services are facing major delays across South Yorkshire