M1 southbound between J39 and J38 | Southbound | Congestion

Location : The M1 southbound between junctions J40 and J38 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 18:30 and 18:45 on 4 August 2025.
Cause : Road traffic collision.
Delay : There are currently delays of 1 hour against expected traffic.