The Hokkaido Shinkansen is a high-speed train line in Japan that connects the island of Hokkaido with the main island of Honshu. It began operations in 2016, allowing travelers to reach Hokkaido from Tokyo in about four hours. The line features advanced technology, including the latest Shinkansen trains, which are known for their speed and comfort. The route includes the Seikan Tunnel, one of the longest undersea tunnels in the world, which helps the train travel beneath the Tsugaru Strait. The Hokkaido Shinkansen enhances accessibility to popular destinations like Sapporo and Hakodate, promoting tourism and regional development.