Woman found injured at side of M3 at Chertsey
Part of the M3 in Surrey had to be closed overnight after a woman was found lying unconscious by the side of the carriageway.
Police were called to the hard shoulder of the motorway between junctions one and two at Chertsey at 0300 GMT.
The woman was taken by ambulance to St George's Hospital in Tooting, south London, suffering from serious head, chest and leg injuries.
The M3 has reopened, but Littleton Lane is closed as police inquiries continue.