Tōhoku Expressway
| Tōhoku Expressway | |
|---|---|
| 東北自動車道 | |
| Route information | |
| Length | 679.5 km (422.2 mi) |
| Existed | 1972–present |
| Major junctions | |
| From | Kawaguchi Junction in Kawaguchi, Saitama Tokyo Gaikan Expressway / Kawaguchi Route |
| To | Aomori Interchange in Aomori, Aomori Aomori Expressway National Route 7 |
| Location | |
| Country | Japan |
| Major cities | Saitama, Tatebayashi, Utsunomiya, Kōriyama, Fukushima, Sendai, Morioka, Kazuno, Hirosaki |
| Highway system | |
The Tōhoku Expressway (東北自動車道, Tōhoku Jidōsha-dō) is a south-north national expressway, and the longest expressway in Japan at 679.5 kilometers (422.2 mi). Its southern terminus is in Kawaguchi, Saitama in the Greater Tokyo Area, at the Tokyo Gaikan Expressway and Kawaguchi Route near Araijuku Station, and its northern terminus is at Aomori Interchange in Aomori, Aomori in the northern part of the Tōhoku region, where it meets the Aomori Expressway and Aomori Belt Highway near the Sannai-Maruyama Site.
It is owned by Japan Expressway Holding and Debt Repayment Agency and operated by East Nippon Expressway Company. The expressway is signed E4 under the "2016 Proposal for Realization of Expressway Numbering", because it roughly parallels National Route 4.