 The Iizaka East Line was shut down on April 12, 1971, leaving the Iizaka Line the only remaining railway operated by Fukushima Transportation.The same year Fukushima Prefectural Office's west wing was completed, making it, at the time, the tallest building in the prefecture.The section of the Tōhoku Expressway linking Kōriyama in the south to Shiroishi in the north, via Fukushima, opened on April 1, 1975.