Transportation
Main article: Transport in QatarThe primary means of transportation in Qatar is by road, due to the very cheap price of petroleum. The country as a result has an advanced road system undergoing vast upgrades in response to the country's rapidly rising population, with several highways undergoing upgrades and new expressways within Doha under construction. A large bus network connects Doha with other towns in the country, and is the primary means of public transportation in the city.
The Salwa International Highway currently connects Doha to the border with Saudi Arabia, and a causeway with both road and rail links to Bahrain at Zubarah is due to begin construction shortly. The causeway will become the largest in the world, and will be the second to connect Bahrain to the Arabian Peninsula.
Currently, no rail networks exist in the country. In November 2009, however, the government signed a $26 billion contract with the German company Deutsche Bahn to construct a railway system over the next 20 years. The network will connect the country itself, and will include an international link with neighbouring states as part of a larger rail network being constructed across the countries of the Gulf Cooperation Council. A railway link is also under construction between Qatar and Bahrain as part of the Qatar Bahrain Causeway.
Qatar's main airport is the Doha International Airport, which served almost 15 million passengers in 2007. In comparison, the airport served only 2 million passengers in 1998. As a result of the much larger volumes of passengers flying into and through the country today, the New Doha International Airport is currently under construction, and will replace the existing airport in 2013.
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