Japan National Route 340
| National Route 340 | ||||
|---|---|---|---|---|
| 国道340号 | ||||
Japan National Route 340 highlighted in red | ||||
| Route information | ||||
| Length | 246.2 km (153.0 mi) | |||
| Existed | 1 April 1975–present | |||
| Major junctions | ||||
| South end | National Route 45 in Rikuzentakata, Iwate | |||
| North end | National Route 45 in Hachinohe, Aomori | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 340 (国道340号, Kokudō Sanbyakuyonjūgō) is a national highway of Japan connecting the cities of Rikuzentakata, in southeastern Iwate Prefecture, and Hachinohe, in southeastern Aomori Prefecture. It travels south to north and has a total length of 246.2 kilometers (153.0 mi). It serves primarily as an alternate, inland route to National Route 45 through the northeastern part of the Tōhoku region.