National Route 315 is a national highway of

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

connecting

Shūnan is a city located in east central Yamaguchi Prefecture, Japan. As of October 1, 2016, the city has an estimated population of 143,959 and a population density of 220 persons per km2. The total area is 656.13 km2. The modern city of Shūna ...

and Hagi in

Yamaguchi prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūgoku region of Honshu. Yamaguchi Prefecture has a population of 1,377,631 (1 February 2018) and has a geographic area of 6,112 Square kilometre, km2 (2,359 Square mile, sq mi). Y ...

, with a total length of 88.9 km (55.24 mi).

References

National highways in Japan Roads in Yamaguchi Prefecture {{Japan-road-stub