A landmark of the Prescot neighborhood, Oakland’s 16th Street Station is hard to miss. Just off Interstate 880, the 40-feet-tall Beaux Arts style building towers above surrounding homes and squat industrial buildings. The station is fenced off, with graffiti covering the terracotta cladding below the building’s three signature grand arched windows.  Built in 1912, the former transportation hub was once the largest Southern Pacific Railroad station in Northern California. It served as a meeting place during the Civil Rights Movement…