A world without avalanche closures

A failed bridge construction project in the 1960s in Wyoming to mitigate the impacts of avalanches inspired Washington state to complete a similar project fifty years later. The project included an elevated bridge that allows snow from slide paths to pass beneath the roadway, which ends up saving losses of economic activity due to road closures. While the construction can be expensive, Wyoming is looking to see if a similar solution can be applied to their own mountain passes.

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