OAKLAND, CA - DECEMBER 15: Protestors block an entrance to the Oakland police department headquarters during a demonstration over recent grand jury decisions in police-involved deaths on December 15, 2014 in Oakland, California. Over 200 hundred protestors blocked entrances to the Oakland police department and adjacent streets during a demonstration against recent grand jury decisions in New York and Missouri to not charge white police officers with the deaths of black men. Dozens were arrested. (Photo by Justin Sullivan/Getty Images) OAKLAND, CA - DECEMBER 15: Protestors block an entrance to the Oakland police department headquarters during a demonstration over recent grand jury decisions in police-involved deaths on December 15, 2014 in Oakland, California. Over 200 hundred protestors blocked entrances to the Oakland police department and adjacent streets during a demonstration against recent grand jury decisions in New York and Missouri to not charge white police officers with the deaths of black men. Dozens were arrested. (Photo by Justin Sullivan/Getty Images)

(CBS SF) — Demonstrators are taking up Bay Area streets Tuesday as part of Nationwide Shutdown Day to protest recent cases of alleged police brutality caught on video.

A group of activists calling for criminal justice reform began a nine-day 250-mile trek on foot from Staten Island to Washington, D.C., on Monday.

On Tuesday, the Stop Mass Incarceration Network is asking people across the country to walk out of school and work.

“We’re going to revive the spirit of Ferguson, that spirit of refusing to suffer the brutality of the system in silence,” the group said in a statement on its website.

Here’s a list of all the demonstrations happening Tuesday in the Bay Area:

11:30 a.m. — UC Berkeley

12 p.m. — San Francisco City Hall and 24th & Mission St.

12 p.m. — Oakland, Mills College

12 p.m. — San Jose, 8th St. & San Salvador St.

1 p.m. — Oakland, Frank Ogawa Plaza

Motorists should be advised of potential traffic delays during these times.

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The latest police shooting caught on video comes out of Tulsa. A reserve deputy, who can be heard apologizing in the video, was charged with manslaughter after accidentally shooting his gun instead of his Taser. The suspect later died.

Last week, a South Carolina police officer was charged with murder in the shooting death of a black motorist after a traffic stop.

City Patrolman Michael Thomas Slager was arrested, charged and fired after law enforcement officials saw a video of the shooting following a Saturday traffic stop. The victim, 50-year-old Walter Lamer Scott of Charleston, was shot after the officer already hit him with a stun gun. A video of the shooting released to news media outlets shows the officer firing several times at the man’s back while he’s running away.