State Route 101 is a major highway in the western United States, primarily running through the state of California. It stretches approximately 800 miles, connecting several key cities, including Los Angeles, San Francisco, and San Diego. The route is known for its scenic views, particularly along the Pacific Coast Highway section, where travelers can enjoy beautiful ocean vistas. Originally established in the early 20th century, State Route 101 serves as an important transportation corridor for both local and long-distance travel. It facilitates commerce and tourism, making it a vital part of California's infrastructure. The highway also intersects with several other major routes, enhancing connectivity across the region.