Location : The A405 southbound between the junctions with the M25 and the M1 .
Lane Closures : Lane one is closed.
Reason : Road traffic collision.
Status : Currently Active.
Time To Clear : The event is expected to clear between 13:45 and 14:00 on 28 March 2026.
Return To Normal : Normal traffic conditions are expected between 13:45 and 14:00 on 28 March 2026.
Lanes Closed : There is one of two lanes closed.
