Transportation & Infrastructure

California opens its first freeway

The Arroyo Seco Parkway, linking Los Angeles and Pasadena, opened as California's first freeway on July 20, 1940. Stretching approximately 8 miles, it showcased modern design principles including landscaped medians and overpasses. The parkway was designed to ease traffic and improve connectivity between urban centers, reflecting the growing dependency on automobiles. It became a model for later freeway projects across the nation, symbolizing a shift in American transportation infrastructure.

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