California State Route 8, also known as SR 8, is a major east-west highway in southern California. It stretches approximately 120 miles, connecting the city of San Diego to the Arizona border. The route passes through diverse landscapes, including urban areas, deserts, and mountains, making it a vital corridor for both local and interstate travel. SR 8 serves as a key route for travelers heading to popular destinations such as Imperial Valley and Anza-Borrego Desert State Park. The highway is also important for commercial transport, facilitating the movement of goods between California and neighboring states.