Medics treated the rider for about 45 minutes while police shut the northbound carriageway at the turn-off to Lower Assendon. He was then taken to the John Radcliffe Hospital in Oxford. Witnesses should call Pc Darren Baker on 101, quoting inc
... he was taken to the John Radcliffe Hospital in Oxford with life-threatening head, chest and leg injuries. At least four police cars also attended. Officers shut the northbound carriageway towards Bix and turned traffic around at the turn-off to <