M1 southbound at the Watford Gap services between J17 and J16 | Southbound | Congestion

Location : The M1 southbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:15 and 17:30 on 9 September 2025.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.