Updated: Noon - 13th Feb SERIOUS INJURY SINGLE VEHICLE COLLISION UPON THE KINGS HIGHWAY, CURROWAN, ON SATURDAY THE 11TH OF FEBRUARY, 2017. About 12:30pm on Saturday the 11th of February, 2017, a vehicle driven in a easterly direction upon the Kings Highway, Currowan, by a 42 year old male who is a resident of the Australian Capital Territory. The vehicle contained his 39 year old wife and their three children aged 9, 7 and 19 months. About 1.3 kilometre west of McCardys Creek Road, the vehicle has left the roadway on the northern side and along an embankment. The vehicle has eventually collided with a fixed armco railing.The vehicle has then commenced to roll and landed on its roof on a concrete culvit. All occupants were trapped and passing motorists righted the vehicle and commenced removing everyone except the driver who was trapped in the driver's seat and had to be released by Fire and Rescue. All the occupants of the vehicle were airlifted to Westmead Hospital four of whom have serious head injuries with the fifth passenger fractures to the pelvis. Police, Crash Investigation Unit, Ambulance, Fire and Rescue, RMS and other emergency services attended the scene. Police are seeking any witnesses to contact Crimestoppers on 1800333000.