Nikkō Kaidō
The highway that follows the original routing of the Nikkō Kaidō has a total length of . This routing of National Route 119 makes up the Nikkō–Utsunomiya leg of the scenic Japan Romantic Road that stretches across Tochigi and Nagano prefectures. The highway was recognized by "Guinness World Records" as a part of the world's longest tree-lined avenue, the Cedar Avenue of Nikkō.