![These Fences Are All Over Wyoming. Do You Know What They Do? [VIDEO]](http://townsquare.media/site/102/files/2017/01/SnowFence_WYODOTVIDEOS.png?w=980&q=75)
These Fences Are All Over Wyoming. Do You Know What They Do? [VIDEO]
These are snow fences, and Wyoming has over 400 miles of them. They are a simple yet effective way of keeping snow from overtaking the roads. Tim McGary, WYDOT District Maintenance Engineer, states in the video that if it were not for these snow fences, I-80 would be nearly impossible to keep open during the winter. When they first opened I-80, it was closed more than it was open. The fences work by breaking the wind causing the snow to fall to the ground and not the road.
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