LOS GATOS (CBS SF) — State Highway 17 in Santa Clara County was gridlocked Wednesday evening after rocks, mud and debris blocked a lane of southbound traffic.

Ross Lee, a spokesman for the California Highway Patrol-San Jose region, said around 9:15 p.m. that lots of debris remained on the roadway and that one southbound lane remained closed.

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He says the lane, located just south of The Cats restaurant which is near the Lexington Reservoir, is not likely to reopen before 4 or 5 a.m. on Thursday. Even that, he said, is just an estimate.

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Days of heavy rain have caused flooding and landslides across the Bay Area. Rain continued to fall Wednesday night.