Access to Arapahoe Basin Ski Area is back open, but the rest of US Highway 6 is still closed along Loveland Pass at this hour after a semi-truck rollover and hazardous materials spill.
The accident happened shortly before 4:00 this morning, about a mile from A-Basin.
Lake Dillon Fire-Rescue spokeswoman Rachel Hanson says one of two trailers overturned, spilling more than 400 gallons of a bright orange chemical used in car wash systems.
Hanson says the chemical is nonflammable, and the spill is largely contained, but officials are still assessing a possible threat to wildlife and aquatic life.
Representatives of the US Forest Service, the Colorado Division of Wildlife and the Denver Water Board are now working with at least 40 law enforcement, fire-rescue, transportation and hazmat personnel at the scene.
Hanson says there appears to be NO threat to drinking water.
Troopers were forced to completely close Highway Six for a while, leaving A-Basin stranded -- with 100 percent of its terrain open on 59 trails.
Officials had said they weren't sure how long access would be cut off, but a portion of the road was reopened about nine a-m.
It's still unclear how long it might take to clean up the mess and open the entire road.
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