Police estimate a car crashed near Burnham at about 200km an hour, killing passenger Jamey Leigh Fellows when she was thrown out as it did a barrel-roll.
A 26-year-old Christchurch man has been charged with manslaughter over a fatal crash in Russley on January 2.
A judge has allowed a tearful Michael Saunders to avoid convictions for the tragic West Coast river crossing that cost two lives in June last year.
A 15-year-old will have to make presentations to schools and youth groups about the late night crash near Leeston that killed three of his friends on Boxing Day.
A 14-year-old unlicensed driver has admitted causing the deaths of three teenagers through his dangerous driving near Leeston on Boxing Day.