DENVER (AP) - Crews are preparing to blast away huge boulders deposited on Interstate 70 by a weekend rock slide.
Colorado Department of Transportation Spokeswoman Stacy Stegman says crews began drilling holes in the boulders Monday to insert explosives and blast them into smaller pieces so they can be hauled away.
Once the rocks have been cleared, some lanes can be opened, but Stegman didn't know how long it would take to finish the repairs and reopen all the lanes.
She said westbound lanes had the worst damage.
The slide struck around midnight Sunday near Hanging Lake Tunnel in Glenwood Canyon, a deep, narrow chasm about 110 miles west of Denver, the Colorado Department of Transportation said.
No injuries or damage to vehicles were reported.
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