Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Interstate 280 (I-280) is a 57 mile (92 km) long north south Interstate Highway in the San Francisco Bay Area of Northern California. It connects San Jose and San Francisco, running along just to the west of the cities of San Francisco Peninsula for most of its route. I-280 from its beginning at King Street and Fifth Street in San Francisco to the James Lick Freeway is called the Southern Embarcadero Freeway. I-280 from the James Lick Freeway to its interchange with State Route 1 is called the Southern Freeway. I-280 beginning at its interchange with State Route 1 in Daly City was built and dedicated as the Junipero Serra Freeway.