One Lane of State Highway 119 in Boulder Canyon to Open at 5 P.M. Tonight

BOULDER COUNTY — Tonight at 5 p.m., the Colorado Department of Transportation (CDOT) will open one lane of State Highway (SH) 119 between mile marker (MM) 28 and MM 29 in Boulder Canyon, approximately 12 miles west of the city of Boulder. Earlier today, several boulders, some as large as 10 feet in diameter, came down on the roadway and caused SH 119 to be completely closed to all through traffic. No one was injured and no property was damaged as a result of today’s rockfall.

One lane of SH 119 will remain closed overnight and into tomorrow due to several large rocks remaining on the road. CDOT crews will work throughout the night to clear them, and will have flaggers present to alternate each direction of traffic through the work zone.

Tomorrow, Tuesday, August 7 from 8 a.m. to 4:30 p.m., crews will be performing rock scaling operations to remove additional rocks that are loose from the canyon walls in order to prevent them from coming down at a later time. During rockfall mitigation, traffic will be stopped in both directions on SH 119 for up to 20 minutes while the loose rocks are brought down and removed from the highway. Traffic will be alternate through the work zone in one direction at a time and will be directed by flaggers. Alternative routes are strongly advised as heavy delays could be possible in the area. Motorists are reminded to obey all road signs and flaggers, and to drive Slow for the Cone Zone.

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