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To avoid confusion as to whether the distance indicated was in miles or kilometres new major distance signs had affixed to them a temporary yellow plate showing the symbol km. [14] On the many new kilometre signs on minor roads, a yellow plate which showed the corresponding number of miles was affixed under the now permanent kilometre distance ...
The year of 1974 saw important changes in Australia's road sign design practices. A major change expressed Australia's preference for a transition to adoption of symbols on signs in lieu of words, inspired by the Vienna Convention on Road Signs and Signals, and transition to adoption of kilometres and metres in lieu of miles and yards.
Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. [N 5] It has a total area of 7,688,287 km 2 (2,968,464 sq mi), making it the sixth-largest country in the world and the largest in Oceania.
The world's smallest continent, Australia is also the sixth-largest country by land area and sometimes considered the world's largest island. Australia has a mainland coastline of 32,994 kilometres (20,502 mi) [14] and claims an exclusive economic zone of about 8,200,000 square kilometres (3,200,000 sq mi). [15]
kilometre (km) or kilometer is a metric unit used, outside the US, to measure the length of a journey; the international statute mile (mi) is used in the US; 1 mi = 1.609344 km nautical mile is rarely used to derive units of transportation quantity.
Australia has the third-largest exclusive economic zone of 8,148,250 km 2 (3,146,060 sq mi). This EEZ does not include the Australian Antarctic Territory (an additional 5,896,500 km 2 (2,276,700 sq mi)). Australia has the largest area of ocean jurisdiction of any country on Earth. [5] It has no land borders.
Australia is the only First World country on the Australia-New Guinea continent, although the economy of Australia is by far the largest and most dominant economy in the region and one of the largest in the world. Australia's per-capita GDP is higher than that of the United Kingdom, Canada, Germany, and France in terms of purchasing power ...
The 16,000 kilometres (9,900 mi) of roads included in the original National Highway system varied greatly in quality. Some sections were no more than dirt tracks, whilst others were four lane dual carriageways. While 12,496 kilometres (7,765 mi) was sealed, there was also 3,807 kilometres (2,366 mi) of gravel roads.