沼津市
is a major highway on the island of Honshū in Japan. It originates in Chiyoda, Tokyo and terminates in Numazu, Shizuoka. In and near Tokyo, it parallels the routes of the Dai-ichi Keihin, Dai-ni Keihin, and Tōmei Expressways, the Tōkyū Den-en-toshi Line, Odakyu Odawara Line, Gotemba Line, and other transportation systems.