M1 northbound between J20 and J21 | Northbound | Congestion

Location : The M1 northbound between junctions J20 and J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 14:30 and 14:45 on 4 September 2025.
Delay : There are currently delays of 30 minutes against expected traffic.