State Route 99 is a major north-south highway in the state of California. It runs approximately 400 miles, connecting the cities of Bakersfield in the south to Red Bluff in the north. The route serves as an important corridor for transportation, commerce, and travel, linking various communities along the way. Originally established in the 1930s, State Route 99 has undergone numerous upgrades and improvements over the years. It passes through several key regions, including the San Joaquin Valley, known for its agricultural production. The highway is vital for both local residents and long-distance travelers.