Kanmon Roadway Tunnel

In Japan, the Kanmon Roadway Tunnel carries National Route 2 under the Kanmon Straits. At the time of its construction, it was the longest undersea highway in the world. It opened in 1958. The overall length is 3,461 metres (11,355 ft) meters, and it is 58 metres (190 ft) below sea level at the deepest point. The endpoints are in Shimonoseki, Yamaguchi and Moji-ku, Kitakyūshū. According to a United Press report at the time, 53 workers were killed during its construction, and it was second only to the Mersey Railway tunnel in length for an underwater tunnel.

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Wikimedia, Wikidata
Kanmon Tunnel
length: 3461 metre, 
undersea tunnel, Kanmon Tunnels, toll tunnel, Q17, 

​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Location: 33.963, 130.959, KML, Cluster Map, Maps,
12 places

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  Mejiro-do cave ⓘ
  cave in Japan

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  Seiryū Cave ⓘ
  cave in Japan

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  Senbutsu-shōnyūdō ⓘ
  cave in Japan

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  Unknown ⓘ
  

• 

  Unknown ⓘ
  

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  不動洞 ⓘ
  

• 

  Unknown ⓘ
  

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  Kanmon Roadway Tunnel ⓘ
  roadway tunnel under the Kanmon Straits

• 

  Kanmon Tunnels ⓘ
  undersea tunnels crossing the Kanmon Straits between Honshu and Kyushu in Japan

• 

  Kitakyushu tunnel ⓘ
  railway tunnel in Kyushu, Japan

• 

  Shin-Kanmon Tunnel ⓘ
  railway (Shinkansen) tunnel under Kanmon Straits.

• 

  Kanmon Railway Tunnel ⓘ
  railway tunnel under Kanmon Straits. the first undersea tunnel in Japan and opened in 1942

1942-07-01T00:00:00Z

1942-07-01T00:00:00Z

1942 Kanmon Railway Tunnel

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Frameless

Kanmon-hugu

Kanmon-ryoukin-moji

FDC of Kan Mon under sea tunnel

Kanmon Tunnel Truck 2009

Kanmon Tunnel Bus 2009

Kanmon roadway tunnel01

Kanmon Roadway Tunnel - 01

関門トンネル 下関側 入口

関門隧道建設の碑

Kanmon Roadway Tunne Route 2-01

Type	Subtype	Date	Description	Notes	Source
site	cave		Mejiro-do cave	cave	Wikidata
site	cave		Seiryū Cave	cave	Wikidata
site	cave		Senbutsu-shōnyūdō	cave	Wikidata
site	cave		Unknown	cave	Wikidata
site	cave		Unknown	cave	Wikidata
site	cave		不動洞	solutional cave	Wikidata
site	mine		Unknown	quarry	Wikidata
site	tunnel		Kanmon Roadway Tunnel	toll tunnel, undersea tunnel	Wikidata
site	tunnel		Kanmon Tunnels	group of tunnels	Wikidata
site	tunnel		Kitakyushu tunnel	tunnel	Wikidata
site	tunnel		Shin-Kanmon Tunnel	undersea tunnel, railway tunnel, West Japan Railway Company	Wikidata
site	tunnel	1942	Kanmon Railway Tunnel	undersea tunnel, Kyushu Railway Company, railway tunnel	Wikidata
commons	image		Kanmon-hugu		Commons
commons	image		Kanmon-ryoukin-moji		Commons
commons	image		FDC of Kan Mon under sea tunnel		Commons
commons	image		Kanmon Tunnel Truck 2009		Commons
commons	image		Kanmon Tunnel Bus 2009		Commons
commons	image		Kanmon roadway tunnel01		Commons
commons	image		Kanmon Roadway Tunnel - 01		Commons
commons	image		関門トンネル 下関側 入口		Commons
commons	image		関門隧道建設の碑		Commons
commons	image		Kanmon Roadway Tunne Route 2-01		Commons