CENTRAL CITY, Colo. (CBS4) – The Central City parkway will remain closed for several days because of a rockslide that covered the roadway. The road could reopen on Friday.

The rockslide happened Monday afternoon about a mile-and-a-half from the Interstate 70 junction.

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The parkway is one route casino patrons use to reach Central City from I-70. Another route, Highway 6 through Black Hawk, is now the alternative.

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Crews are working to clear the rocks. They’re also bringing in barricades to put up along the parkway.

Debris, some of it bus-sized, slid across all four lanes. One lane reopened Tuesday night for emergency vehicles.

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The road is private, so state funds won’t be used to clear the road.