High Quality Content by WIKIPEDIA articles! State Route 480 was a state highway in San Francisco, California, United States, consisting of the elevated double-decker Embarcadero Freeway (also known as the Embarcadero Skyway), the partly elevated Doyle Drive approach to the Golden Gate Bridge and the proposed and unbuilt section in between. The unbuilt section from Doyle Drive to Van Ness Ave. was to have been called the Golden Gate Freeway and the Embarcadero Freeway as originally planned would have extended from Van Ness Ave. along the north side of Bay Street and then along the Embarcadero to the San Francisco-Oakland Bay Bridge.