Also known as: Ken'ou Expressway (Ken'ou-dou/圏央道)

The Metropolitan Inter-City Expressway is a tolled expressway built in an arc around the Tokyo metropolitan area, passing through the prefectures of Kanagawa, Tokyo, Saitama, Ibaraki, and Chiba. Construction started on its first bypass on March 30, 1988, and the expressway was given the designation National Highway Route 468 on April 1, 1993. Construction is expected to continue at least until 2015.