Updated The southbound A11 near Wymondham. One lane of the road was closed near the Wymondham offslip due to a road traffic collision. Picture: Google Google A man has sustained a “life-changing” injury in a car crash on the A11. Norfolk Police were called at 5.15am on Thursday to reports that a vehicle was on its side in a field off the southbound carriageway near Wymondham, about two miles from the Mulbarton junction. Officers attended along with the Norfolk Fire and Rescue Service and East of England Ambulance Service. Fire crews from Hethersett, Wymondham and Earlham helped to release a man from the vehicle who had sustained a serious leg injury. He was taken to the Norfolk and Norwich University Hospital for treatment, but a spokeswoman for Norfolk Police said the “life-changing” nature of the injury meant he may be transferred to Addenbrooke’s Hospital in Cambridge. The nearside lane of the southbound carriageway remains closed and traffic is heavy between the Thickthorn roundabout and the site of the incident. Check our live traffic map before you travel.