しなの鉄道(株)、えちごトキめき鉄道(株)、あいの風とやま鉄道(株)及びIRいしかわ鉄道(株)申請の第一種鉄道事業許可について [Details of railway business approval for Shinano Railway, Echigo Tokimeki Railway Company, Ainokaze Toyama Railway, and IR Ishikawa Railway]. News release (in Japanese). Japan: Ministry of Land, Infrastructure, Transport and Tourism. 26 February 2014. Retrieved 20 March 2015.