The Costa Mesa Freeway, officially known as California State Route 55, is a major north-south highway in Southern California. It runs approximately 17 miles, connecting the city of Costa Mesa to Santa Ana and providing access to various neighborhoods and commercial areas. The freeway is an essential route for commuters and travelers in the region. Opened in the 1960s, the Costa Mesa Freeway plays a crucial role in the local transportation network. It intersects with several other highways, including the Santa Ana Freeway (I-5) and the Garden Grove Freeway (SR-22), facilitating efficient travel across Orange County.