Japan National Route 246

Route 246 (国道246号, Kokudō 246-gō^?) 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 Tomei Expressways, the Tōkyū Den-en-toshi Line, Odakyu Odawara Line, Gotemba Line, and other transportation systems.

Along its 122.7 kilometres (76.2 mi) course, Route 246 passes from Chiyoda through Minato, Shibuya, Meguro, Setagaya in Tokyo (called Aoyama-dori (青山通り^?) or Tamagawa-dori (玉川通り^?) in part of this section), and into Kanagawa Prefecture, entering Kawasaki (Takatsu and Miyamae), Yokohama (Tsuzuki, Aoba and Midori), Machida (Tokyo), Yamato, Atsugi, Isehara, Matsuda and Yamakita (called Ō-yama-kaidō (大山街道^?) or Atsugi-kaidō (厚木街道^?) in part of this section). In Shizuoka Prefecture, it passes through Susono, Oyama, and Nagaizumi en route to its terminus in Numazu.