National Route 17
|Length||350.3 km (217.7 mi)|
|Existed||4 December 1952–present|
|National Route 7 / National Route 8 / National Route 49 / National Route 113 / National Route 116 in Chūō-ku, Niigata|
|South end||National Route 1 / National Route 4 / National Route 6 / National Route 14 / National Route 15 / National Route 20 in Nihonbashi, Chūō, Tokyo|
|National highways of Japan|
Expressways of Japan
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).
|Wikimedia Commons has media related to Route 17 (Japan).|