According to data collected by the National Highway Traffic Safety Administration (NHTSA) from 1992-2011, there was an estimated annual average of 4500 vehicle crashes that involved ambulances. Of these, 34% resulted in injuries and 33 people were killed. Almost 60% of the crashes occurred while the ambulances were in emergency use.
Click here for a PDF version of the infographic.
Click here for the ground ambulance crash report.
Click here for NHTSA safety inititatives and data.