Japan National Route 17 partially coincident with Gunma Prefectural Road Route 25
National Route 17 (国道17号, Kokudō Jū-nana-gō) is a highway on the island of Honshu in Japan. It originates at Nihonbashi in Chūō, Tokyo, and terminates in the city of Niigata (the capital of Niigata Prefecture), where it meets National Routes 7, 8, 49, 113 and 116).National Route 17 measures 350.3 km in length. It incorporates parts of two ancient highways, the Nakasendō and Mikuni Kaidō. The newer Kan-Etsu Expressway parallels National Route 17.
In addition to Chūō, National Route 17 passes through Itabashi. It links the prefectural capitals of Saitama (Saitama Prefecture) and Maebashi (Gunma Prefecture).
partially overlapping with partially intersecting with partially sharing with partially matching with partially aligning with