A fog advisory is in effect for the Los Angeles County coast, including downtown, until 9 a.m. Monday, making travel more hazardous, according to the National Weather Service. The fog is expected to affect travelers on and near major freeways, including interstates 10, 105, 710, 605 and 405, as well as Pacific Coast Highway and the 91 highway in the South Bay and Westside of Los Angeles.

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