Road Tunnels in Japan (1 000-2 999 m)
Edited by: Eugenio A. Merzagora
4th revision, March 2006
Tunnel Length (m) Date of opening Prefec. Notes  
Orandazaka 2 970     Nagasaki-Dejima road  
Shin Sasago 2 953 1958      
Tsuruga 2 2 925 1980   Hokuriku Expressway  
Rotsukouzan 2 843 1966      
Shin-Misaka 2 778 1967      
Nitsusoku 2 765 1978      
Imaziyoudaini 2 704 1977   Two tubes. Hokuriku Expressway  
Kake-nishi 2 690     Shortest tube: 2674 m. Section Hiroshima kita-Togouchi. Chugoku Expressway  
Nishi-Kuriko 2 675 1966   Two tubes.  
Tawarazaka 2 660     Shortest tube: 2610 m Section Hokubo-Niimi. Chugoku Expressway.  
Gassan-Dauchi 2 620        
Toosaka 2 585 1976      
Nagasaki 2 570   NS Section Nagasaki Susukizuka-Nagasaki. Nagasaki Expressway  
Sengan 2 544 1977      
Sennin 2 528 1959      
Misayama 2 511 1976      
Nishiyama 2 470   NS Second tube: 2470 m. Section Kawahira-Nagasaki. Nagasaki bypass  
Shin Wase 2 435 08.2001 KS Longest tunnel in Amami Islands. Route 58  
Hirayu 2 400 1976      
Shinenoki 2 370        
Kuwadai 2 305 1970      
Daitarou 2 300     Second tube: 2300 m. Section Amagase Takatsuka-Kusu. Oita Expressway  
Kurokui 2 290     Section Oita Miyagawauchi-Usuki. Higashi Kyushu Expressway  
Kyushin 2 290     Section Usuki-Tsukumi. Higashi Kyushu Expressway  
Horikoshi 2 282 1974      
Ziyuusangou 2 252 1956      
Shin Toyohama 2 228 12.2000 HO Setakamui and Toyohama tunnel + junction. Road 229  
Shin Nihonzaka 2 205 1978      
Aobayama 2 200        
Osakaho Sakishima 2 200 12.1997 OS Second tube: 2200 m. Immersed tunnel  
Gongo-zan 2 177     Second tube: 2177 m. Section Moji-Shinmoji. Kyushu Expressway  
Tama River 2 170 21.12.1994 FU Second tube: 2170 m. Immersed tunnel, three lanes each. Tokyo Bay expressway (Bay-shore Route)  
Yoruhiru 2 145 1970      
Kanmuriyama 2 140     Second tube: 2140 m. Section Yoshiwa-Muikaichi. Chugoku Expressway  
Shin-Akamatsu 2 140     Section Hinagu-Tanora. Minami Kyushu Nishimawari expressway  
Kuzs 2 130        
Oume 2 095   TO Metropolitan Inter City Expressway  
Shin Karato 2 077 1998 HY Shortest tube: 2071 m. Hanshin (Kita - Kobe) expressway  
Yanoko 2 076 1967      
Gamata 2 060        
Fudoyama 2 050     Shortest tube: 2010 m. Section Ureshino-Higashisonogi. Nagasaki Expressway  
Nihonzaka 2 045 1968   Two tubes  
Hachozan 2 030     Second tube: 2030 m. Section Yatsushiro-Hitoyoshi. Kyushu Expressway  
Kobotoke 2 002 1968      
Komadome 2 000        
Futabuyama 2 000 2018 HI    
Futami 1 940     Section Hinagu-Tanora. Minami Kyushu Nishimawari expressway  
Usuki 1 920     Section Oita Miyagawauchi-Usuki. Higashi Kyushu Expressway  
Kawasaki Fairway 1 954 21.12.1994 KG Second tube: 1954 m. Immersed tunnel, three lanes each (Bay-shore Route)  
Chiyoda 1 900   TO Second tube: 1900 m. Three linked tunnels  
Kihara 1 900     Second tube: 1900 m. Section Ebino-Kurino. Kyushu Expressway  
Arimakita 1 845 2003 HY Shortest tube: 1810 m. Hanshin Expressway.  
Awashima 1 760     Second tube: 1760 m. Section Yatsushiro-Hitoyoshi. Kyushu Expressway  
Nakao 1 700     Section Nagasaki Tarami- Nagasaki Susukizuka. Nagasaki Expressway  
Tenjin 1 650     Second tube: 1650 m. Section Miyakonojo-Tano. Miyazaki Expressway  
Ubaguchi 1 620 1972      
Kou Minatojima 1 600 30.07.1999 HY Double deck configuration. Immersed tunnel (-22.73 m)  
Osa 1 570     Second tube:1570 m Section Hokubo-Niimi. Chugoku Expressway  
Kuko - Kita 1 487     Second tube: 1487 m. Three lanes each. Immersed tunnel  
Nakazato 1 470   NS Section Nagasaki Tarami- Nagasaki Susukizuka. Nagasaki Expressway  
Nagano 1 430     Second tube: 1430 m. Section Kitakyushu-Kanda-Kitakyushu. Higashi Kyushu Expressway  
Yaesu 1 400     Second tube: 1400 m  
Kuko - Kita Artif. 1 353     Second tube: 1353 m. Cut and cover  
Tokyo Port 1 325 12.08.1976 TO Second tube: 1325 m. Immersed tunnel, three lanes each  
Aina 1 300   HY Second tube: 1300 m  
Niimi 1 300     Second tube: 1300 m. Section Niimi-Tojo. Chugoku Expressway  
Yatoyama 1 270     Second tube: 1270 m. Section Yufuin-Hiji. Oita Expressway  
Hiroshima 4� 1 256   HI Second tube: 1244 m. Hiroshima - Seifu Expressway  
Shimizu 1 243 1984   Two tubes  
Toyohama 1 242   HO Partially destroyed by rock mass falling in 1996. Now part of Shin Toyohama tunnel  
Sakazuki 1 200   YA Yamagata highway  
Ohirayama 1 200     Second tube: 1200 m. Section Yatsushiro-Hitoyoshi. Kyushu Expressway  
Kishima 1 200     Second tube: 1200 m. Section Takeo Kitagata-Takeo. Nagasaki Expressway  
Kashita 1 190     Section Usa-Innai. Higashi Kyushu Expressway  
Shizouka 1 180 03.2003 SZ New Tomei Expressway  
Hakka 1 175 1967      
Takao 1 170     Shortest tube: ? m. Section Hokubo-Niimi. Chugoku Expressway  
Kusumi 1 170     Second tube: 1170 m. Section Kitakyushu-Kanda-Kitakyushu. Higashi Kyushu Expressway  
Kawasaki kou kaitei 1 160   KG Second tube: 1160 m. Immersed tunnel, two lanes each  
Shimizu 3 1 120 2003 SZ Second tube: 1120 m. New Tomei Expressway  
Shozinko 1 080 1972      
Hagio 1 060     Second tube: 1060 m. Section Haki-Hita. Oita Expressway  
Hira 1 055   HI Shortest tube: 1040 m. Section Hiroshima kita-Togouchi. Chugoku Expressway  
Nakahara 1 020     Second tube: 1020 m. Section Takata-Chiyoda. Chugoku Expressway  
Funaba 1 001   HI Shortest tube: 990 m. Section Hiroshima kita-Togouchi. Chugoku Expressway  

Legenda:
Red: under costruction
Pink: in project
*: nickname
TC: Tranch�e Couvert (Covered road)

Minami: South
Kita: North
Nishi: West
Higashi: East

Comments and questions to: Eugenio A. Merzagora

Road Tunnels in Japan > 3 000 m

Road Tunnels in Japan < 1 000 m


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This page was last modified on October 26, 2007