Dō-Ō Expressway
| Hokkaido Expressway | |
|---|---|
| 道央自動車道, 道央道 | |
| Route information | |
| Length | 413.6 km (257.0 mi) |
| Existed | 1971–present |
| Major junctions | |
| From | Ōnuma Kōen Interchange in Mori, Hokkaido Hokkaido Route 149 |
| To | Shibetsu-Kenbuchi Interchange in Kenbuchi, Hokkaido National Route 40 |
| Location | |
| Country | Japan |
| Major cities | Muroran, Tomakomai, Chitose, Sapporo, Fukagawa, Asahikawa |
| Highway system | |
The Dō-Ō Expressway (道央自動車道, Dōō Jidōsha-dō) is a national expressway in Hokkaido, Japan. It is owned and operated by East Nippon Expressway Company.