One person has been airlifted to hospital after a crash on State Highway 1 at Lichfield.
A car has rolled and indications are one person has critical injuries and two have moderate to serious injuries, police said in a statement this morning.
A St John spokeswoman said two ambulances and onehelicopter was sent to the scene about 7.25am.
One person was airlifted to Waikato Hospital and one person was taken to hospital by ambulance.