State Highway 99, often referred to as CA-99, is a major north-south highway in the state of California. It stretches approximately 400 miles, connecting the cities of Los Angeles and Sacramento. The highway serves as a vital transportation route for both local and long-distance travelers, facilitating the movement of goods and people across the Central Valley. Originally established in the early 20th century, CA-99 has undergone numerous upgrades and improvements over the years. It passes through several key cities, including Bakersfield, Fresno, and Stockton, making it an essential corridor for agriculture and commerce in the region.