California State Route 101, often referred to as US Route 101, is a major north-south highway that runs through the state of California. Stretching approximately 800 miles, it connects key cities such as Los Angeles, San Francisco, and San Diego. The route offers scenic views of the Pacific Ocean and passes through diverse landscapes, including coastal areas, valleys, and urban centers. Originally established in the 1920s, California State Route 101 serves as a vital transportation corridor for both local and long-distance travelers. It is part of the larger U.S. Highway System and plays a crucial role in the state's economy by facilitating trade and tourism.