JEFFERSON COUNTY, Colo. (CBS4) – A deadly crash on Interstate 70 heading west closed some lanes Sunday afternoon. Colorado Department of Transportation says the crash happened between the Chief Hosa and Evergreen Parkway exits.
Colorado State Patrol says a 47-year-old male motorcyclist died and only one vehicle was involved. Investigators believe speed was a factor, saying specifically the motorcyclist was traveling through a curve and drifted into the outside guardrail.READ MORE: COVID In Colorado: Counties Prepare Local COVID Dials As State COVID Dial Is Set To Expire
CSP says 911 callers reported seeing a group of motorcyclists speeding, swerving and cutting drivers off before the crash.READ MORE: GoFundMe Set Up For Brad Brubaker's Family, Victim In Denver Highland's Crash
There were miles of traffic backup. Right lanes were blocked.MORE NEWS: Marijuana Delivery & Consumption Clubs Closer To Being Approved By Denver City Council
“Curiosity slowing impacting eastbound traffic. Please be mindful of traffic conditions ahead of you,” CSP said on social media.