The Santa Ana Freeway, also known as Interstate 5 (I-5), is a major highway in Southern California. It runs from the Mexican border in San Diego to the northern part of the state, connecting several key cities, including Los Angeles and Santa Ana. This freeway is vital for both local and long-distance travel, facilitating the movement of people and goods. The Santa Ana Freeway is known for its heavy traffic, especially during peak hours. It features multiple lanes in each direction and connects with other significant highways, such as the 405 Freeway and 10 Freeway. The freeway plays a crucial role in the region's transportation network, supporting economic activities and daily commutes.