Route 280 is from Route 101 in San Jose to Route 80 near First Street in San Francisco via Daly City.
Notwithstanding the provisions of Section 89 of Chapter 1062 of the Statutes of 1959, construction of all or any portion of Route 280 from Route 101 near Alemany Boulevard to Route 480 near Harrison Street in San Francisco may be commenced at any time, if the City and County of San Francisco has conveyed or does convey to the State of California, without charge, all real property presently acquired by it for the construction of that portion of this route or any portion thereof.
Ca. Sts. and High. Code § 580