State Route 57, also known as SR 57, is a major highway located in the state of California. It runs approximately 30 miles, connecting the cities of Brea and Pomona. This route serves as an important corridor for local traffic and provides access to various commercial and residential areas. The highway is part of the larger California State Route System and features multiple interchanges with other significant roads, including Interstate 10 and Interstate 60. SR 57 is known for its scenic views and is frequently used by commuters traveling to and from work in the surrounding regions.