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
Cycling in the Channel Tunnel Cycling in the Channel Tunnel Pedal cycles in the Channel Tunnel are normally allowed to cross the Channel Tunnel fixed link between the United Kingdom and France only by using the Eurotunnel cycle service, on board a Le Shuttle train. That consists of a minibus and bicycle trailer for six bicycles. On a number of special occasions since 1993, crossings have been made directly using the bidirectional Channel Tunnel service tunnel, positioned between the two rail tunnel bores. The central service tunnel has airlocks at both ends and a concrete screed road surface. During construction, over 200 bicycles were used