A St John ambulance crashed north of Otorohanga this morning after taking a patient to Waikato Hospital.
St John communications manager Mark Tregoweth said an ambulance driver and a nurse were on a return trip from Waikato Hospital when the ambulance left the road on State Highway 3 north of Otorohanga around 7am.
Mr Tregoweth said no one was injured in the crash, and the cause of the crash had not been established.
The ambulance did not have a patient on board at the time of the crash.