National Route 151 is a national highway of

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

connecting

Iida, Nagano is a Cities of Japan, city in Nagano Prefecture, Japan. , Iida had an estimated population of 101,536, and a population density of 154 persons per km2. The total area of the city is . Iida is an , a municipalities of Japan, municipality designa ...

and

Toyohashi, Aichi is a Cities of Japan, city in Aichi Prefecture, Japan. , the city had an estimated population of 377,453 in 160,516 households and a population density of 1,400 persons per km2. The total area of the city was . By area, Toyohashi was Aichi Prefec ...

in Japan, with a total length of 137.4 km (85.38 mi).

References

151 Year 151 (CLI) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Condianus and Valerius (or, less frequently, year 904 ''Ab urbe condita''). The denomination 151 for this y ...

Roads in Aichi Prefecture Roads in Nagano Prefecture 1953 establishments in Japan {{Japan-road-stub