State Route 54 (SR 54) is a state highway located in California. It runs approximately 12 miles, connecting the city of Chula Vista to National City and San Diego. The route primarily serves as a vital transportation corridor for residents and commuters in the region. SR 54 begins at the intersection with Interstate 5 and extends eastward, eventually merging into State Route 125. The highway features several interchanges and provides access to local neighborhoods, shopping areas, and recreational facilities, making it an essential part of the area's infrastructure.