A specialist clean-up team is being co-ordinated.
The incident is causing severe delays of 90 mins and very heavy congestion for 12 miles, back to J18 Holmes Chapel.
This incident has also closed the link road from the M6 Northbound to the M56 J9 westbound near Stretton.
Traffic looking to travel west at J20 is encouraged to head north to J21 and then turn around, to head back to J20.
If this incident impacts on your planned route, please allow extra journey time. Plan ahead, you may wish to re-route or even delay your journey.
