(Australian article- yet relative)
“estimates on loss of earnings due to premature death and direct costs based on coronial records for ambulance, police, hospital, premature funeral, coronial and work safety authority investigation, and death compensation costs. All costs were calculated to 2010 dollars,” the paper said. “The estimated total economic cost associated with quad bike fatalities over this period was $288.1 million, with an average cost for each fatality of $2.3 million.
 
The cost of ATV accidents in British Columbia alone exceeded $300 Million dollars in just a 10 year period.