Japan National Route 42

Infobox road
state=Japan
type=National
route=42
name_notes="nihongo|国道42号|Kokudō yonjūni-gō"
maint=


length_km=469.7
length_round=
length_ref=
established=1945
direction_a=East
terminus_a=Hamamatsu
junction=
direction_b=West
terminus_b=Wakayama
browse=
commons=
customcommons=

National Route 42 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: 469.7 km (293.5 mi)
*Origin: Hamamatsu (originates at junction with Route 1)
*Terminus: Wakayama city
*Major cities: Tahara, Toba, Ise, Matsusaka, Owase, Kumano, Shingū, Tanabe, and Gobō

Passes through

;Shizuoka Prefecture
*Hamamatsu • Arai • 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

Intersects with

;Shizuoka Prefecture
*Route 1
*Route 257
*Route 301;Aichi Prefecture
*Route 259;Mie Prefecture
*Route 167
*Route 23
*Route 166
*Ise Expressway
*Route 368
*Kisei Expressway
*Route 260
*Route 425
*Route 311
*Route 309
*Route 311;Wakayama Prefecture
*Route 168
*Route 371
*Route 311
*Hanwa Expressway
*Route 424
*Route 425
*Yuasa-Gobō Bypass
*Route 480
*Route 24
*Route 26