Police are appealing for witnesses following a serious collision on the M50 in Herefordshire on Monday evening.
It happened on the westbound carriageway between Junctions 1 and 2 at around 5.45pm, and involved a silver Volvo V70 and a blue VW Beetle.
A woman was left with life changing injuries and airlifted to hospital.
Police are particularly keen to locate the driver of the Volvo V70.
Anyone with information about the incident is asked to contact West Mercia Police on 101 quoting incident number 548 of 17 September, or alternatively, you can contact Crimestoppers anonymously on 0800 555 111.