A man has been taken to hospital following a crash in south Warwickshire.
Police said the incident is causing significant disruption in the area.
Emergency services described the accident as a single vehicle collision on the M40 between junctions 11 and 12.
It has been reported that a car has gone through the central reservation. The road was closed in both directions but the southbound side has now reopened.
Motorists are advised to avoid the area