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
Pressure Tunnel and Shafts In 1831 Michael Ryan was granted 100 acres in Bankstown, which included this site, and for many years the area was called Ryan's Paddock. The Church of England School established here in 1862, becoming the first public school in 1868, but was moved to North Bankstown in 1913. The first post office opened in 1863, but closed in 1918. Investigation for a large pressure tunnel was begun in 1914, to assist the trunk mains between Potts Hill and Crown Street. The tunnel was to extend from Potts Hill Reservoir to the Waterloo pumping station, approximately 16 kilometres. To allow for