Niigata area construction project map Progress of construction for four-lane road Yasuda section of Ban-Etsu Expressway(Mikawa IC - Yasuda IC) Ban-Etsu Expressway Mikawa Construction Section(Mikawa IC - Yasuda IC) Ban-Etsu Expressway Kamikawa section(Nishiaizu IC to Tsugawa IC) Ban-Etsu Expressway Nozawa Section(Nishiaizu IC to Tsugawa IC) Smart ICConstruction progress Nagaoka Nishi-Ozumi Smart IC HOME Niigata area construction project map
