San Francisco Bay Area a primary embarkation point for American forces. In 1945, the United Nations Charter was signed in San Francisco, establishing the United Nations, and in 1951, the Treaty of San Francisco officially ended the U.S.'s war with Japan. Since then, the Bay Area has experienced numerous political, cultural and artistic movements, developing unique local genres in music and art and establishing itself as a hotbed of progressive politics. Economically, the post-war Bay Area saw huge growth in the financial and technology industries, creating a vibrant and diverse economy with a gross domestic product of over $800 billion, and home to the
Transportation in the San Francisco Bay Area service, three international airports, and an extensive network of roads, tunnels, and bike paths. A 2011 Brookings Institution study ranked the San Francisco MSA and the San Jose MSA sixteenth and second, respectively, on transit coverage to job access. Another nationwide study, conducted by the University of Minnesota in 2014, ranked the San Francisco MSA second and San Jose MSA tenth. Despite this, the San Francisco Bay Area remains the second most traffic-congested region in the country with a declining per capita use of public transit. In 2013, the San Francisco-Oakland-Hayward metropolitan statistical area (San Francisco MSA) had the second