Colorado's "I-70 Problem" - SnowBrains

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Colorado's "I-70 Problem" - SnowBrains

Interstate 70 through Colorado traverses steep grades and multiple tunnels, often closing due to adverse conditions. Photo: SummitDaily When the Eisenhower-Johnson Tunnel first fully opened to the public in 1979, it was the highest vehicular tunnel and one of the greatest feats of engineering in the world. An idea initially conceptualized over 100 years ago by William A.H Loveland, the first test bore through the Continental Divide came in 1943,…