noun
Nippō Main Line
Proper noun referring to the JR Kyushu railway line connecting Kagoshima, Miyazaki, and Fukuoka prefectures.
日豊本線は宮崎県を通っています。
The Nippō Main Line runs through Miyazaki Prefecture.
The name combines the kanji for Hyūga (日向, an old province name) and Buzen (豊前, another old province name), reflecting the historical regions the line connects.