JEFFERSON COUNTY - Both directions of U.S. Highway 6, also known as Clear Creek Canyon Road, were closed between Interstate 70 and Highway 119 due to a rockslide Thursday morning. The road reopened around 7:15 a.m.
The Colorado Department of Transportation said some troopers with the Colorado State Patrol reported the slide just before 2:30 a.m.
No injuries have been reported.
CDOT worked to clear the slide for hours.
The cause of the rockslide is being investigated, but there has been some concern among Coloradans that recent heavy rains may be a contributing factor to unstable conditions.
The longest road closure in Colorado history was caused by a rockslide in Clear Creek Canyon in June 2005. CDOT spokesperson Bob Wilson told the Denver Post the rockslide was triggered by recent rains causing the slope above U.S. Highway 6 to fail.
A portion of Clear Creek Canyon was closed for 83 days after an estimated 1,200 to 1,400 tons of rocks fell onto U.S. Highway 6 pushing two trucks off the road, leaving a large amount of debris on the road and unstable hazards in the rock face above the road.
According to CDOT, the rockslide in 2005 was roughly 10 miles from Golden.
Thursday morning's rockslide occurred near mile marker 260 which is near the intersection of U.S. Hwy 6 and Highway 119.
The location is about two and a half miles west of the 2005 rockslide.
A rockslide on Monday killed five hikers in Chaffee County.
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