National Route 180 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

Okayama is the capital city of Okayama Prefecture in the Chūgoku region of Japan. The city was founded on June 1, 1889. , the city has an estimated population of 720,841 and a population density of 910 persons per km2. The total area is . The city is ...

and

Matsue is the capital city of Shimane Prefecture, Japan, located in the Chūgoku region of Honshu. The city has an estimated population of 202,008 (February 1, 2021) following the merger with Higashiizumo from Yatsuka District. Matsue is located at ...

in Japan, with a total length of 198.9 km (123.59 mi).

References

National highways in Japan Roads in Okayama Prefecture Roads in Shimane Prefecture Roads in Tottori Prefecture {{Japan-road-stub