Japan National Route 9 is a major highway that runs through the western part of Japan. It connects the cities of Hiroshima and Fukuoka, covering a distance of approximately 300 kilometers. This route is essential for transportation and commerce, facilitating travel between the two regions. The highway passes through various landscapes, including coastal areas and mountainous regions. It serves as a vital link for both local and long-distance traffic, making it an important artery for economic activity in Kyushu and Chugoku regions.