Sunday crash closes all lanes of US50 near Cave Rock at Lake Tahoe

7:00 p.m. update - Nevada Highway Patrol reports that all lanes of US50 have now been reopened. No other details of the crash have been released.

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7:00 pm. update - Some drivers have informed South Tahoe Now that they have been able to start moving, though very slow and with one-way controlled traffic. Officially road is still listed as closed.

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LAKE TAHOE, Nev. - All lanes of US50 at Tall Pines Road in Glenbrook are closed at this hour due to a head-on collision.

Careflight is en route according to the Nevada Highway Patrol.

They estimate closure will last several hours and to avoid the area.

TRAFFIC ADVISORY: All lanes are shut down for a serious injury crash at US-50 and Tall Pines Road (Glenbrook). Careflight is en route. Closure is estimated to last several hours. Avoid the area.

This is a developing story and will be updated as more information is made available.