The Metropolitan Intercity Railway Company (首都圏新都市鉄道株式会社, Shuto-ken Shin Toshi Tetsudō kabushiki gaisha, lit. "Metropolitan Region New Urban Railway Stock Company") is a third-sector railway operating company in Japan. It was established on 15 March 1991 to construct the 58.3 km Tsukuba Express (then known as the Jōban Shinsen) commuter railway line from Akihabara in Tokyo to Tsukuba in Ibaraki Prefecture. The Tsukuba Express line was opened on 24 August 2005.