Rock Scaling Operations to Close State Highway 119 Tomorrow in Boulder Canyon

BOULDER COUNTY — Tomorrow, Tuesday, May 8 from 8 a.m. until 4:30 p.m., the Colorado Department of Transportation (CDOT) will perform rockfall mitigation work on State Highway (SH) 119 near mile marker 33 in Boulder Canyon between the city of Boulder and the town of Nederland, where earlier today a boulder weighing roughly 12 to 15 tons fell onto the roadway. No one was injured and no property was damaged as a result of today’s rockfall.

Although crews will repair the damaged roadway today and traffic should be back to normal by this evening, crews want to make sure the traveling public is as safe as possible when traveling through the canyon, so tomorrow they will knock down any additional loose rocks or boulders they can find before the materials come down on their own.

During rockfall mitigation, traffic will be stopped in both directions on SH 119 for up to 20 minutes while 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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