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There are many forms of transport in Australia. Australia is highly dependent on road transport. There are more than 300 airports with paved runways. Passenger rail transport includes widespread commuter networks in the major capital cities with more limited intercity and interstate networks. The Australian mining sector is reliant upon rail to transport its product to Australia's ports for export. == Roads == (詳細はAustralian economy. There is a heavy reliance on road transport due to Australia's large area and low population density in considerable parts of the country. Another reason for the reliance upon roads is that the Australian rail network has not been sufficiently developed for a lot of the freight and passenger requirements in most areas of Australia. This has meant that goods that would otherwise be transported by rail are moved across Australia via road trains. Almost every household owns at least one car, and uses it most days.〔(【引用サイトリンク】 Where are we now? )〕 Australia has the second highest level of car ownership in the world. It has three to four times more road per capita than Europe and seven to nine times more than Asia. Australia also has the third highest per capita rate of fuel consumption in the world. Melbourne is the most car-dependent city in Australia, according to a data survey in the 2010s. Having over 110,000 more cars driving to and from the city each day than Sydney. Perth, Adelaide and Brisbane are rated as being close behind. All these capital cities are rated among the highest in this category in the world (car dependency).〔(Urban Australia: Where most of us live ). CSIRO. Retrieved on 15 July 2012.〕 The distance travelled by car (or similar vehicle) in Australia is among the highest in the world, being exceeded by USA and Canada.〔(【引用サイトリンク】title=Transport in Australia )〕 There are 3 different categories of Australian roads. They are federal highways, state highways and local roads. The road network comprises a total of 913,000 km broken down into:〔CIA world fact book.〕 *''paved:'' 353,331 km (including 3,132 km of expressways) *''unpaved:'' 559,669 km (1996 estimate) Victoria has the largest network, with thousands of arterial (major, primary and secondary) roads to add. The majority of road tunnels in Australia have been constructed since the 1990s to relieve traffic congestion in metropolitan areas, or to cross significant watercourses. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Transport in Australia」の詳細全文を読む スポンサード リンク
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