State Route 55 is a major highway located in the state of California. It runs through Orange County, connecting the cities of Santa Ana and Irvine. The route is approximately 12 miles long and serves as a vital transportation corridor for commuters and travelers in the region. The highway is known for its scenic views and accessibility to various local attractions, including parks and shopping centers. It also provides connections to other major freeways, such as Interstate 5 and Interstate 405, making it an essential part of the area's transportation network.