M1 northbound between J20 and J21 | Northbound | Overturned Vehicle

Location : The M1 northbound between junctions J20 and J21 .
Lane Closures : The hard shoulder and lane 1 are closed.
Reason : Accident involving an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 16:15 and 16:30 on 22 September 2025.
Return To Normal : Normal traffic conditions are expected between 16:15 and 16:30 on 22 September 2025.
Lanes Closed : There is one of three lanes closed.

M1 J46 northbound exit | Northbound | Accident

Location : The M1 northbound exit slip at junction J46 .
Reason : Road traffic collision.
Status : Currently Active.
Time To Clear : The event is expected to clear between 12:00 and 12:15 on 22 September 2025.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 22 September 2025.
Lanes Closed : There are lane closures.

M1 J46 northbound exit | Northbound | Accident

Location : The M1 northbound exit slip at junction J46 .
Reason : Road traffic collision.
Status : Currently Active.
Time To Clear : The event is expected to clear between 11:45 and 12:00 on 22 September 2025.
Return To Normal : Normal traffic conditions are expected between 11:45 and 12:00 on 22 September 2025.
Lanes Closed : There are lane closures.