Fewer people are using trains in outlying regions of Japan, and about one third of Japanese rail lines operate in the red. Because of this, regional rail companies have been shutting down money-losing lines or expanding into side businesses. This time on Japanology Plus, we look at the crisis regional railways are facing. Our guest, Hiroaki Oshima, works at a private-sector thinktank studying Japan's systems for moving goods and people. And in Plus One, hiking a famous old rail route in Gunma Prefecture.