LA also has a sizable transit-dependent population, whereas in Montana I assume most people drive most places. Buses don’t usually get into fatal accidents, and although our Blue Line is known for pedestrian fatalities, it’s still a much lower rate than traffic fatalities. It would be interesting if the researchers controlled for the portion of the population in question who are arguably not at significant risk for causing a fatal traffic accident because they’re simply not behind the wheel. This would best be examined while holding urban/rural constant – IE examine the traffic fatalities of several large, urban cities with different mode shares.
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