The Shōnan-Shinjuku Line is a railway line in Japan that connects the cities of Shōnan and Shinjuku. It is operated by the East Japan Railway Company (JR East) and serves as a vital transportation link in the Greater Tokyo Area. The line runs through several key stations, making it convenient for commuters traveling between suburban areas and central Tokyo. This line is known for its direct service, allowing passengers to travel without needing to transfer trains. It connects with other major lines, including the Yamanote Line and the Tōkaidō Line, enhancing accessibility to various destinations across the region.