| Country: | JPN |
| Type: | Expressway |
| Route: | Dōtō |
| Alternate Name: | Japanese: 道東自動車道 |
| Map Custom: | yes |
| Length Km: | 258.0 |
| Established: | 1995 |
| Terminus A: | Chitose-Eniwa Junction in Chitose, Hokkaido Dō-Ō Expressway |
| Cities: | Yūbari, Obihiro |
| Terminus B: | Kushiro, Hokkaido Kitami, Hokkaido |
The is a 2-laned national expressway in Hokkaidō, Japan. It is owned and operated by East Nippon Expressway Company.
It forms the middle section of the .
The expressway is connects the east of Hokkaidō with central regions including the greater Sapporo urban area.
At Honbetsu Junction near the eastern end the expressway splits into two routes: one route heading east towards the city of Kushiro and another route heading north towards the city of Kitami. All future extensions of these two routes will be constructed according to the New Direct Control System[1] and are expected to operate toll-free upon completion.
The expressway is among the least used in Japan. At the time of its opening it was used by an average of only 650 vehicles a day, the lowest among all national expressways in Japan.[2] As of 2006 the average daily ridership of the expressway has increased to 4,751 vehicles (for comparison the figure for the Tōhoku Expressway is 270,546 vehicles).[3]
The speed limit is 70 km/h for the entire route.
| No. | Name | Connections | Dist. from Origin | Notes | Location (all in Hokkaidō) | |
|---|---|---|---|---|---|---|
| (25) | Chitose-Eniwa JCT | Dō-Ō Expressway | 0.0 | Chitose | ||
| 1 | Chitose-higashi IC | National Route 337 | 12.6 | |||
| PA | Kiusu PA | 14.5 | ||||
| 2 | Oiwakechō IC | National Route 234 | 21.9 | Abira | ||
| PA | Yuni PA | 29.3 | Yuni | |||
| 3 | Yūbari IC | National Route 274 | 42.1 | Yūbari | ||
| 4 | Mukawa Hobetsu IC | Pref. Route 1165 (Mukawa Hobetsu Inter Route) | 56.5 | Mukawa | ||
| TN | Hobetsu Tunnel | Length - 4,332 m | ||||
| 5 | Shimukappu IC | Pref. Route 1172 (Shimukappu Inter Route) | 76.6 | Shimukappu | ||
| PA | Shimukappu PA | 80.0 | ||||
| 6 | Tomamu IC | Pref. Route 1170 (Tomamu Inter Route) | 102.8 | |||
| TN | Daiichi Karikachi Tunnel | Point of highest elevation among all expressways in Hokkaidō (626 m) Length - 2,351 m | Minamifurano | |||
| style="background-color:#BFB;" | - | Shintoku IC | Planned | Shintoku | ||
| 7 | Tokachi Shimizu IC | National Route 274 | 123.7 | Shimizu | ||
| SA | Tokachiheigen SA | 138.6 | Memuro | |||
| 8 | Memuro IC | Pref. Route 54 (Higashiurimaku Memuro Route) | 140.9 | |||
| 9 | Obihiro JCT | Obihiro-Hiroo Expressway | 145.3 | |||
| 10 | Otofuke Obihiro IC | National Route 241 (Obihiro Kita Bypass) | 152.4 | Otofuke | ||
| PA | Osarushi PA | 165.5 | ||||
| 11 | Ikeda IC | National Route 242 | 174.0 | Ikeda | ||
| TB | Ikeda Toll Gate | |||||
| 12 | Honbetsu JCT | Kitami Route | 191.2 | No access: Ashoro IC ←→ Honbetsu IC | Honbetsu | |
| 13 | Honbetsu IC | Pref. Route 1154 (Honbetsu Inter Route) | 193.0 | |||
| 14 | Urahoro IC | National Route 274 | 201.0 | Urahoro | ||
| Sensho Tunnel | Length - 4,460 m | |||||
| 15 | Shiranuka IC | National Route 392 | 227.0 | Shiranuka | ||
| 16 | Shoro IC | Pref. Route 242 (Kami-Shoro Shoro Teishajō Route) | 235.0 | |||
| 17 | Akan IC | National Route 240 | 240.9 | Kushiro | ||
| Planned | ||||||
| 18 | Kushiro-nishi IC | National Route 38 (Kushiro Shindō) | 259.1 | |||
| Through to Kushiro Sotokan Road | ||||||
| No. | Name | Connections | Dist. from Origin | Notes | Location (all in Hokkaidō) | |
|---|---|---|---|---|---|---|
| 12 | Honbetsu JCT | Kushiro Route | 191.2 | No access: Ashoro IC ←→ Honbetsu IC | Honbetsu | |
| 1 | Ashoro IC | National Route 242 | 204.4 | Ashoro | ||
| Through to Tokachi-Okhotsk Expressway (Planned) | ||||||