Japan–Korea Undersea Tunnel at about ₩100 trillion (approx. US$90 billion), which would produce an extremely low benefit-to-cost result. In 2014, the South Korean Busan Development Institute estimated the undersea tunnel could create ₩54 trillion won (원54T, or US$53 billion) in economic benefits and provide about 45,000 jobs. In an April 2009 editorial, former Justice Ministers Daizō Nozawa of Japan and Kim Ki Chun of South Korea remarked on some of the similarities of the proposed Japan–Korea tunnel to the world's present longest undersea tunnel. The Channel Tunnel runs for 50.45 km linking the United Kingdom and France, and opened in May 1994: At
Channel Tunnel occurred in the Channel Tunnel at 13:57 GMT. The incident started on an HGV shuttle train travelling towards France. The event occurred from the French entrance to the tunnel. No one was killed but several people were taken to hospitals suffering from smoke inhalation, and minor cuts and bruises. The tunnel was closed to all traffic, with the undamaged South Tunnel reopening for limited services two days later. Full service resumed on 9 February 2009 after repairs costing €60 million. On 29 November 2012, the tunnel was closed for several hours after a truck on an HGV shuttle caught fire.