Japan National Route 135 is a significant highway that runs along the eastern coast of Japan's Honshu island. It connects the city of Numazu in Shizuoka Prefecture to Ibaraki Prefecture, covering a distance of approximately 150 kilometers. The route is known for its scenic views of the Pacific Ocean and nearby mountains. This national route serves as an important transportation link for both local residents and tourists. It passes through various towns and attractions, including Atami and Ito, making it a popular choice for travelers exploring the Izu Peninsula and surrounding areas.