• Arroyo Seco Parkway - Los Angeles CA
    One of the oldest freeways in the United States, the Arroyo Seco Parkway (today’s Pasadena Freeway) is an 8.2-mile road connecting Los Angeles and Pasadena, CA. It was built by the California State Division of Highways (today’s Caltrans) in three stages between 1938 and 1953, with the first two stages completed during the New Deal. The first 6-mile stage was built between 1938 and 1941; the second 2.2-mile stage (also known as the "Southerly Extension") was built between 1940 and 1943. There is some dispute about the sources of funding, but we know the federal government contributed via the U.S....