, also called Kumano Kaidō or Tropical Route is a national highway connecting Hamamatsu, Shizuoka and Wakayama, Wakayama in Japan. Part of the route requires crossing Ise Bay on the Ise-wan Ferry.
It is the 8th longest national highway in Japan.
Route data
Length: 504.6 km (313.5 mi) Origin: Hamamatsu (originates at junction with Route 1) Terminus: Wakayama city Major cities: Tahara, Toba, Ise, Matsusaka, Owase, Kumano, Shingū, Tanabe, and Gobō
History
Route 42 was originally designated in January 1945 as a section of Route 41 (the Kumano Highway), which ran to Tokyo. This ran concurrent with Route 1 (now Route 1/Route 23). On 18 May 1953 Route 41 was classified as a Class 2 highway and redesignated as Route 170, which was later redesignated as Route 42 when the route was promoted to a Class 1 highway.
Passes through
Shizuoka Prefecture
Hamamatsu • Kosai
Aichi Prefecture
Toyohashi • Tahara
Mie Prefecture
Toba • Ise • Meiwa • Matsusaka • Taki • Ōdai • Taiki • Kihoku • Owase • Kumano • Mihama • Kihō Wakayama Prefecture Shingū • Nachikatsuura • Taiji • Kushimoto • Susami • Shirahama • Minabe • Inami • Gobō • Hidaka • Yura • Hirogawa • Yuasa • Aridagawa • Arida • Kainan • Wakayama