The Highways Agency have advised that the exclusion zone around the chemical tanker on the M6 has now been lifted.
The northbound carriage of the M6 has been cleared of trapped traffic.
Police are still releasing traffic onto the southbound carriageway.
They are now working with the emergency services to re-open both carriageways as soon as possible.
There is still no access from the M6 Toll onto the southbound carriageway.
Lanes should be open by 7pm.
More top news
Police investigating the murder of man in Leicester on Saturday morning are urging motorists who were in the area to get in touch.
In less than 48 hours, more than £20,000 has been raised for the family of Corey and Casper Platt-May who were killed in a car accident.
A fine day with plenty of sunshine but cold.