The Panama Canal
The Panama Canal is a ship canal which joins the Atlantic Ocean to the Pacific ocean. One of the largest and most difficult engineering projects ever undertaken, it had an enormous impact on shipping between the two oceans, replacing the long and treacherous route via the Drake Passage and Cape Horn at the southernmost tip of South America. A ship sailing from New York to San Francisco via the canal travels 9,500 km (6,000 miles), well under half the 22,500 km (14,000 miles) route around Cape Horn.[1] Although the concept of a canal near Panama dates back to the early 16th century, the first attempt to construct a canal began in 1880 under French leadership. After this attempt failed and 21,900 workers died, the project of building a canal was attempted and completed by the United States in the early 1900s, with the canal opening in 1914. The building of the 77 km (48 mi) canal was plagued by problems, including disease (particularly malaria and yellow fever) and landslides. By the time the canal was completed, a total of 27,500 workmen are estimated to have died in the French and American efforts.
http://www.pancanal.com/eng/general/howitworks/index.html
See how it works.
The canal is presently handling more vessel traffic than had ever been envisioned by its builders. In 1934 it was estimated that the maximum capacity of the canal would be around 80 million tons per year;[31] as noted above, canal traffic in 2008 consisted of 309.6 million tons of shipping.
As demand is rising, the canal is positioned to be a significant feature of world shipping for the foreseeable future. However, changes in shipping patterns — particularly the increasing numbers of post-Panamax ships — will necessitate changes to the canal if it is to retain a significant market share. It is anticipated that by 2011, 37% of the world's container ships will be too large for the present canal, and hence a failure to expand would result in a significant loss of market share.
