National Route 312 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

Miyazu, Kyoto 270px, Miyazu City Hall is a city located in Kyoto Prefecture, Japan. , the city had an estimated population of 16,988 in 8348 households and a population density of 98 persons per km². The total area of the city is . Geography Miyazu is loca ...

and

Himeji, Hyōgo 260px, Himeji City Hall is a city located in Hyōgo Prefecture in the Kansai region of Japan. , the city had an estimated population of 525,682 in 227,099 households and a population density of 980 persons per km². The total area of the city is ...

in Japan, with a total length of 153.5 km (95.38 mi).

References

National highways in Japan Roads in Hyōgo Prefecture Roads in Kyoto Prefecture {{Japan-road-stub