Colorado highway descends into chaos after massive 75-vehicle pileup, amid hazardous winter weather

At least 75 vehicles were ensnared in a massive, chain-reaction pileup on a Colorado highway Tuesday, authorities said.

The crashes unfolded in the Rocky Mountains west of Denver, specifically near Loveland Ski Area, and followed a chaotic morning that saw six separate wrecks, mostly along the same highway, according to the Clear Creek County Sheriff's Office. 

Officials said the latest crash forced a two-way lane shutdown on Interstate 70, as photos released by the authorities showed emergency crews assisting drivers at the scene.  

"The closure is due to a severe multi-vehicle crash on the east side of Eisenhower-Johnson Memorial Tunnel that took place this afternoon," the Colorado Department of Transportation (CODOT) said. "There is currently no estimated time for reopening." 

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According to the photos, the crashes appeared to have occurred on a snow-blanketed roadway, as winter weather may have created hazardous driving c...