Protesters demonstrating against President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE drew police responses and disrupted public transportation systems across the nation Friday even as Trump took the oath of office at the Capitol in Washington.

San Jose’s Valley Transportation Authority said it expected two planned demonstrations on Friday to disrupt bus and light rail service. In Portland, TriMet said it had prepared to suspend service to downtown areas to avoid protests.

In San Francisco, the Bay Area Rapid Transit system said it would add extra cars to its trains to allow protesters to get to planned demonstrations in the city.

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Five groups have applied for permits to demonstrate in Los Angeles on Friday. More than 15,000 people had said they plan to attend one morning rally where speakers will demand Trump abandon plans to deport undocumented immigrants. About 70,000 people said on Facebook they plan to attend another demonstration in Los Angeles on Saturday.

Seven organizations are protesting in Austin, where city police have asked residents to work from home if they can. Some non-essential city employees are being allowed to leave work early on Friday.

Police officers in Oakland, Calif., surrounded police headquarters on Thursday night as demonstrators marched to protest Trump’s plans to roll back the Affordable Care Act. A department spokeswoman said every available officer is on duty ahead of larger protests planned for Friday and Saturday.

Philadelphia police have asked visitors to avoid Center City, where demonstrations began as Trump took the oath of office.

Organizers in Denver expect up to 40,000 people to join a march through the heart of downtown.

Rep. John Lewis (D-Ga.), who publicly feuded with Trump days before the new president took office, will headline a march and rally in Atlanta on Saturday.

Students planned to walk out of colleges in Atlanta on Friday. Other walkouts are planned at schools in Los Angeles; Seattle; and Austin, Texas, among other cities.