SR 56, or State Route 56, is a highway located in California. It runs through San Diego County, connecting the Interstate 5 and Interstate 15 freeways. The route is approximately 10 miles long and serves as a vital east-west corridor for local traffic. The highway features several interchanges and provides access to various neighborhoods, parks, and commercial areas. It is designed to facilitate smooth traffic flow and reduce congestion in the region, making it an important part of the local transportation network.