The Golden State Highway, also known as California State Route 99, is a major north-south highway in California. It runs approximately 400 miles, connecting the cities of Los Angeles and Sacramento. This route serves as a vital corridor for transportation, commerce, and tourism in the state. The highway passes through several key regions, including the San Joaquin Valley, known for its agriculture, and the Sierra Nevada foothills. Along the way, travelers can enjoy scenic views and access various attractions, making it a popular choice for road trips and local commuters alike.