Motor Vehicle Accidents In Yellowstone Skyrocketing

March 30, 2017
Motor vehicle accidents, such as this one last summer near Mammoth, are on the rise in Yellowstone National Park/NPS, Jim Peaco

With more and more visitors heading to Yellowstone National Park, it might be reasonable that there would be an increase in motor vehicle accidents. But the increase has been incredible, with a nearly 900 percent jump in vehicle rollovers in 2016 vs. 2014.

“What we’re finding is our roadways -- how roadways are performing -- are crowding," said Ryan Atwell, Yellowstone's resident social scientist. "It’s all relative. What do we compare Yellowstone to? Do we compare it to a big city, do we compare it to a rural area? What we’re finding is we’re hitting places where vehicles are often traveling in platoons on the most focal corridors, say from the West Entrance to Canyon, the Canyon rims, and to Old Faithful. You’re oftentimes following another car, passing is difficult, we have big wildlife issues compounding things. Seeing wildlife is awesome in Yellowstone, but then that compounds our traffic conditions.

"... the one other thing that’s been real striking, from a social scientist standpoint it’s fascinating, and from a park operations and visitor safety standpoint it’s alarming, but the rates of major emergency incidences have increased at a pretty dramatic rate from 2014 into 2015 and 2016," he added.

According to park figures, in 2014 there were 18 motor vehicle accidents with injuries. In 2015 that increased to 48 (167 pecent), and in 2016 there were 34, down from 2015 but up 89 percent from 2014. Motor vehicle rollovers, meanwhile, went from just two in 2014 to seven in 2015, a 250 percent increase, to 19 last year, an 850 percent increase over 2014.

Search-and-rescue missions also are rising in Yellowstone, from 37 in 2014 to 61 in 2015 and 85 last year.

Mr. Atwell said studies so far haven't identified any one specific road corridor in the park that is more dangerous than another.

“I do know that some of the more severe accidents have occurred in very different parts of the park," he said. "Last summer a few bad accidents on the south corridor road, bewteen Grand Teton and Yellowstone. Just based upon the time of day and the circumstances involved, it seemed likely to have sleep-induced driving involved. That’s a corridor that a lot of people are trying to make distance to get from Jackson up to the park late in the day. We had several accidents where one car crossed the center line and head-on to another. Distracted driving, because people viewing scenery and wildlife in Yellowstone we know is an issue.”

Keep this in mind if you're heading to Yellowstone this summer, and drive defensively.

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