The is a commuter rail line in Chiba Prefecture, Japan, operated by between Mabashi Station in Matsudo and Nagareyama Station in Nagareyama. The line and the operator company was called the and respectively until the renaming on August 1, 2008. The present line name was the most popular short name of the line. It was also called . This is the only line Ryūtetsu operates, making the company unique for being an independent railway operator with just a single 5.7 km line and no major subsidiary businesses (unlike Yamaman or The Oriental Land Company and their Disney Resort Line). The short line functions as a link between the centre of the city of Nagareyama and the East Japan Railway Company (JR East) Jōban Line. However, after the opening of the Tsukuba Express on August 24, 2005, ridership fell sharply. Suica and PASMO contactless smart cards cannot be used, and Ryūtetsu reportedly has no plans to introduce the system on the line. Basic data Double-tracking: None Railway signalling: Automatic Train Stop Passing loop: Kogane-Jōshi Station History The company was incorporated on November 7, 1913 as and opened a gauge railway on March 14, 1916. The company renamed in November 1922 and rebuilt the railway track to gauge in 1924. The company name was again changed to Nagareyama Electric Railway (Nagareyama Denki Tetsudō) in 1949, to Nagareyama Electric Railway (Nagareyama Dentetsu) in 1967, to Sōbu Nagareyama Electric Railway in 1971 and to Ryūtetsu in 2008. Stations All stations are in Chiba Prefecture. References External links Railway lines in Japan Railway lines in Chiba Prefecture 1067 mm gauge railways in Japan Railway lines opened in 1916 2 ft 6 in gauge railways in Japan 1916 establishments in Japan