National Route 402 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

Kashiwazaki, Niigata is a city located in Niigata Prefecture, Japan. , the city had an estimated population of 81,836 in 34,883 households, and a population density of 187 persons per km². The total area of the city was . Geography Kashiwazaki is located in a co ...

and

Chūō-ku, Niigata is one of the eight wards of Niigata City, Niigata Prefecture, in the Hokuriku region of Japan. It comprises much of the city centre. , the ward had an estimated population of 183,231 in 87,162 households and a population density of 4,900 pe ...

in Japan, with a total length of 89 km (55.3 mi).

References

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