Multiple crashes closed Interstate 70 in both directions Monday morning between Morrison and Genesee.
The highway has since reopened. Earlier, CDOT said to expect an extended closure and characterized what had happened as a "major crash."
It’s unclear how many vehicles were involved in the crashes or if anyone was injured.
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RELATED: When will it stop snowing?
Wintry conditions made travel treacherous west of Denver as a fall snowstorm swept through the area.
The snow is expected to stop falling in Denver this afternoon, and temperatures will drop Tuesday morning before rising later this week.