Colorado mountains provide winter wake-up call to drivers involved in pileups

Colorado State Patrol is urging drivers to slow down and prepare for full winter conditions after two recent pileups on Interstate 70. One of them involved roughly 20 vehicles, and another involving around 30. While no injuries were reported, troopers say the crashes should serve as a wake-up call that winter driving has officially returned to Colorado's high country.

Traffic was stopped near both Glenwood Springs and Gypsum, as state troopers worked to clear the wreckage. CSP Sgt. Ivan Alvarado told CBS Colorado early indications point to a familiar problem: Drivers are treating snowy and icy mountain roads like they are still dry.

"It is significant," Alvarado said. "The only fortunate thing was that no injuries were reported."

Although the investigation continues, Alvarado said t