The busy motorway is blocked between junction 12 at Gaydon and junction 11 at Banbury southbound. KEEP UP TO DATE WITH OUR LIVE COVERAGE HEREAccording to Inrix, the traffic feed provider, there are two miles of queues southbound while emergency services deal with the crash. The AA map shows the closure(Image: AA)Highways England said: "The incident is expected to clear between 4pm and 4.15pm on September 23. "Normal traffic conditions are expected between 4pm and 4.15pm." A statement from Warwickshire Police added: "We're responding to a road traffic collision on the M40 northbound carriageway between junctions 11 and 12.