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Two-Day Storm Washes Mud, Rocks and Debris Onto Southern California Roads

Torrential rain forced several freeway and street closures in Southern California.

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Flooding closes the 101 Freeway in Ventura County. Michelle Valles reports for Today in LA on Tuesday Jan. 10, 2023.

The 101 Freeway in Ventura County is one of several roads closed due a winter storm that has pounded Southern California for two days.

The storm brought light showers Monday morning before intensifying with downpours that lashed the region for hours. The burst of rainfall triggered mudslides, debris flows and flooding that forced road closures.

Here's an updated list of some of the roads that are closed.

  • In the San Fernando Valley, all lanes of the 5 Freeway were closed early Tuesday at Lankershim Boulevard in Sun Valley. Lanes reopened early Tuesday, but traffic was slow through the area.
  • In the mountains northeast of Los Angeles, part of Angeles Crest Highway was closed due to unsafe conditions.
  • Streets in a Studio City neighborhood were closed due a mudslide. The downpours sent mud and debris flowing down Fredonia Drive near the intersection of Lankershim Boulevard and Ventura Boulevard.
  • In South El Monte, part of the westbound the 60 Freeway was closed from the 605 Freeway to Peck Road.
  • In Alhambra, the westbound 10 Freeway connectors to the northbound and southbound 710 Freeway were closed, according to Caltrans.
  • Caltrans reported downed trees and overflowing river water caused by mudslides forced the closure of Topanga Canyon Road between Pacific Coast Highway and Mulholland Highway.
  • In Malibu, a large rock blocked Malibu Canyon Road. Mud and debris was blocking Old Topanga Road.
  • State Route 23 was closed at Westlake Boulevard, where several drivers were stranded in high water.
  • Due to debris and mud, the road leading in and out of the 1110 block of North Beverly Glen Boulevard in Bel-Air is closed until further notice, according to LAFD.
  • A stretch of the 101 Freeway was closed in Ventura County, where mud and rocks were covering lanes.
  • The storm washed 3 feet of mud and rocks onto State Highway 126. Crews worked into the night to help people stranded in cars.
  • In Santa Barbara County, crews closed access to the 101 Freeway at Olive Mill Road when water levels rose in San Ysidro Creek. Several other roads were closed in the area due to flooding.
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