The M6 is shut in part of Staffordshire.
It follows a collision involving three vehicles and a fire northbound between junctions 14 at Stafford and 15 for Stoke-on-Trent.
Congestion is tailing back to junction 13 (Stafford South) approaching the closure. Also busy along Moss Pit and Rising Brook as traffic attempts to divert through Stafford.
All trapped traffic was released at around 5.40am.
Diversions are in place along the A34 via the A500 which is 13.5 miles long.