was not large enough to run heavy rail lines economically. (Currently, the line generates an operating profit.) A heavy rail line (the Saikyo Line) was the solution reached for the south of Ōmiya Station. 1 April 1980: Operating company is incorporated. 22 December 1983: The section between Ōmiya and Hanuki stations opens. 2 August 1990: The remaining section between Hanuki and Uchijuku stations opens. 14 October 2007: Ōnari Station is renamed Tetsudō-Hakubutsukan Station when the Railway Museum (Tetsudō-Hakubutsukan) opens. See also List of rapid transit systems References External links People mover systems in Japan Rail transport in Saitama Prefecture Railway lines opened in 1983 1983 establishments in Japan