"The chances of dying in a crash in a late-model vehicle have fallen by more than a third in three years ... Improved vehicle designs and safety technology have

"The chances of dying in a crash in a late-model vehicle have fallen by more than a third in three years ... Improved vehicle designs and safety technology have a lot to do with the continuing decline in fatality risk." [1] So, no, there are other factors reducing fatalities. [1] http://www.iihs.org/iihs/sr/statusreport/article/50/1/1