A suspected stolen car crashes with a lorry, leaving the motorway shut for several hours.
The northbound carriageway from Carlisle to the Scotland border will shut from 20:00 BST next week.
Emergency services were sent to the scene and the injured man taken to Royal Stoke Hospital.
A junction is to be built and the road widened as part of the Stafford Gate scheme.
Cumbria Police appeals for witnesses and dashcam footage of the crash.
Amanda Field gave urgent first aid after seeing two people thrown from a motorbike, the NHS says.
Cumbria Police says one person is in hospital with life-threatening injuries.
A councillor says people in Kendal would bear the brunt of noisy lorry traffic during the works.
A man is in a critical condition after being hit by two vehicles in the incident, Lancashire Police say.
