National Route 316 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 the towns of Nagato and

San'yō-Onoda is a city located in Yamaguchi Prefecture, Japan. As of April 2022, the city has an estimated population of 58,978 and a population density of 470 persons per km2. The total area is 132.99 km2. The modern city of San'yō-Onoda was establish ...

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 40.2 km (24.98 mi).

References

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