M40 southbound between J4 and J3 | Southbound | Accident

February 21, 2026 - 8:56 pm Last updated February 21, 2026 - 10:26 pm

Location : The M40 southbound between junctions J4 and J3 . Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 02:00 and 02:15 on 22 February 2026. Return To Normal : Normal traffic conditions are expected between 01:30 and 01:45 on 22 February 2026. Lanes Closed : All lanes are closed.