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The Sishen–Saldanha railway line, also known as the Ore Export Line, is an long heavy haul railway line in South Africa. It connects iron ore mines near Sishen in the Northern Cape with the port at Saldanha Bay in the Western Cape.〔 It is used primarily to transport iron ore and does not carry passenger traffic. The Sishen–Saldanha line was built by Iscor, the then iron and steel parastatal, opening in 1976. In 1977 the line was transferred to Transnet Freight Rail, then known as ''South African Railways & Harbours'', and a decision was made to electrify the line.〔 A voltage of 50 kV AC was chosen instead of the usual 25 kV in order to haul heavier loads and to allow a larger distance between transformers. A single-track line with ten crossing loops to allow trains travelling in opposite directions to pass was constructed; number of crossing loops has since increased to 19 in order to increase line capacity.〔 From an altitude of at Sishen, the line climbs for before descending to cross the Orange River about downstream of Groblershoop.〔 For the next , the line rises and falls before descending towards the Atlantic coast.〔 The railway crosses the Olifants River on a viaduct between Vredendal and Lutzville〔 and reaches the coast about north of Saldanha.〔 From there the line follows a coastal route. Initial train lengths consisted of three class 9E electric locomotives, hauling 210 type CR ore wagons with a payload of 80 tons.〔 Upgraded wagons now carry 100 tons.〔 Train lengths have been increased to 342 wagons, employing Radio Distributed Power (RDP) technology. These trains have 8 locomotives and 342 wagons with a total mass of 41,400 tonnes and are long, and they are the longest production trains in the world. More than 3,000 of these RDP trains have been operated since launched in December 2007. == See also == * South African Class 9E, Series 1 * South African Class 9E, Series 2 * South African Class 15E * South African Class 34-000 * South African Class 34-400 * South African Class 34-500 * South African Class 34-900 * South African Class 43-000 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「Sishen–Saldanha railway line」の詳細全文を読む スポンサード リンク
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