MILL VALLEY (CBS SF) — A section of State Highway 1 in Marin County is closed in both directions between Panoramic Highway and Muir Woods Road in Marin County, according to Caltrans.

The road was closed on Thursday after a storm washed away much of the soil below the road in one area, making it unsafe to drive on, Caltrans officials said.

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Northbound traffic will be detoured at Panoramic Highway, with travelers heading for Stinson Beach staying on Panoramic until they reach state Highway 1. Those traveling to Muir Beach will take Panoramic Highway to Muir Woods Road and travel south to Muir Beach. Businesses in Muir Beach will remain open during the closure.

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Caltrans officials on Thursday said the road might not reopen before March. Crews are currently developing a repair plan, officials said Friday.

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