Further, the Nordic success in preventing tractor roll over fatalities is attributed to the impact of an engineering design with effective legislation affecting tractor manufacturers and retail dealers, rather than relying on educational approaches to “inform tractor owners of the value of ROPS” [Springfeldt et al., 1998]. The situation in the United States is somewhat different. In 1985, the American Society of Agricultural Engineers adopted a voluntary standard that encouraged installation of ROPS and seat belts on all new tractors. Even though all major manufacturers agreed to adopt this standard a year later [Loringer and Myers, 2008] and ROPS prevalence has increased since the early 1990s, there are many farms still using tractors without ROPS [Loringer and Myers, 2008]. Though there is evidence that ROPS prevalence is approaching the level required to begin significantly reducing fatal injury rates [Myers and Hendricks, 2010], the United States is still at least a decade from seeing fatality rate reductions of the magnitude seen in Northern Europe [Loringer and Myers, 2008].