Region | County: Eastern | Greater London Authority
Road Affected: M1
Description of incident: Location : The M1 southbound between junctions J4 and J1 .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Reason : Clearing the scene of an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 00:30 and 00:45 on 20 June 2026.
Return To Normal : Normal traffic conditions are expected between 00:30 and 00:45 on 20 June 2026.
Lanes Closed : There are two of three lanes closed.
Previous Reason : Following an earlier accident involving an overturned vehicle.
Type of incident: Overturned Vehicle.
Delay length: No Delay.
Incident updated: Fri, 19 Jun 2026 21:50:52 GMT
M1 Traffic Delays Location
The latitude and longitude location given for this incident is as follows: Lat 51.628147, Long -0.2620537
Traffic delay information supplied by National Highways, for further details please see here:
incident details.
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M1 road in Greater London Authority.
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