JR北海道の余市ー長万部廃線へ 並行在来線は全国2例目 www.nikkei.com tabiris.com www.hokkaido-np.co.jp rakuten_design="slide";rakuten_affiliateId="1d2ebb42.2f4b6e4f.1d2ebb43.247b253f";rakuten_items="ctsmatch";rakuten_genreId="0";rakuten_size=…