A railway line spanning 458.4 km from Hakodate Station to Asahikawa Station, including branch lines. It includes the Sawara Branch Line from Mori Station to Onuma Station via Shikabe, and the Fujishiro Branch Line which runs from Onuma Station to Nanae Station without intermediate stops. The stations are: Hakodate, Goryokaku, Kikyo, Onakayama, Nanae, Shin-Hakodate-Hokuto, Onuma, Onumakoen, Akaigawa, Komagatake, (Sawara Branch) Shikabe, Oshima-Numajiri, Oshima-Sawara, Kakarima, Oshironai, Higashi-Mori (End of Sawara Branch), Ishikura, Otoshibe, Nodaoi, Yamakoshi, Yakumo, Yamazaki, Kuroiwa, Kunnui, Oshamambe, Kuromatsunai, Neppu, Mena, Rankoshi, Kombu, Niseko, Hirafu, Kutchan, Kozawa, Ginzan, Shikaribetsu, Niki, Yoichi, Ranshima, Shioya, Otaru, Minami-Otaru, Otaru-Chikko, Asari, Zenibako, Hoshimi, Hoshioki, Inaho, Teine, Inazumi-Koen, Hassamu, Hassamu-Chuo, Kotoni, Soen, Sapporo, Naebo, Shiroishi, Atsubetsu, Shinrin-Koen, Oasari, Nopporo, Takasago, Ebetsu, Toyohoro, Horomui, Kami-Horomui, Iwamizawa, Minenobu, Koshunai, Bibai, Chashinai, Naie, Toyonuma, Sunagawa, Takikawa, Ebeotsu, Moseushi, Fukagawa, Osamunai, Chikabumi, and the terminus, Asahikawa. Special Rapid Airport and Rapid Airport trains stop at select stations between Shiroishi and Otaru. Limited Express services include the Hokuto (Hakodate to Oshamambe), the seasonal Niseko (Sapporo to Hakodate via Otaru, Kutchan, and Oshamambe in September), the Hakodate Liner (Shin-Hakodate-Hokuto to Hakodate), and the Niseko Liner (Sapporo to Rankoshi). The section between Sapporo and Asahikawa is a major corridor served by the Lilac, Kamui, Soya, and Okhotsk Limited Express trains, as well as the seasonal Furano Lavender Express (Sapporo to Furano via the Nemuro Main Line from June to September). The section between Sapporo and Shiroishi is a high-traffic zone used by the Lilac, Kamui, Ozora, Soya, Okhotsk, Suzuran, Tokachi, and Hokuto Limited Express trains, plus the Furano Lavender Express and various Airport Rapid services.