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25-522: It lies on plains to the south of mountains to the north. Kidatu is the terminus of a 107 km-long (66 mi) 1,000 mm ( 3 ft  3 + 3 ⁄ 8  in ) narrow gauge branch line from Kilosa off the Tanzania Railways Corporation Central line , built between 1958 and 1963.. In the 1970s, the newer 1,067 mm ( 3 ft 6 in ) TAZARA railway was built through. Hence there

50-698: A 3 ft 6 in ( 1,067 mm ) gauge, whereas Vietnam, Malaysia and Thailand have metre-gauge railways . Narrow-gauge trams, particularly metre-gauge, are common in Europe. Non-industrial, narrow-gauge mountain railways are (or were) common in the Rocky Mountains of the United States and the Pacific Cordillera of Canada, Mexico, Switzerland, Bulgaria, the former Yugoslavia , Greece, and Costa Rica. A narrow-gauge railway

75-425: A curve with standard-gauge rail ( 1435 mm ) can allow speed up to 145 km/h (90 mph), the same curve with narrow-gauge rail ( 1067mm ) can only allow speed up to 130 km/h (81 mph). In Japan and Queensland, recent permanent-way improvements have allowed trains on 3 ft 6 in ( 1,067 mm ) gauge tracks to exceed 160 km/h (99 mph). Queensland Rail 's Electric Tilt Train ,

100-455: A design speed of 137 km/h (85 mph). Curve radius is also important for high speeds: narrow-gauge railways allow sharper curves, but these limit a vehicle's safe speed. Many narrow gauges, from 15 in ( 381 mm ) gauge to 4 ft 8 in ( 1,422 mm ) gauge, are in present or former use. They fall into several broad categories: 4 ft 6 in ( 1,372 mm ) track gauge (also known as Scotch gauge)

125-474: A heavy-duty narrow-gauge line is Brazil's EFVM . 1,000 mm ( 3 ft  3 + 3 ⁄ 8  in ) gauge, it has over-100-pound rail (100 lb/yd or 49.6 kg/m) and a loading gauge almost as large as US non-excess-height lines. The line has a number of 4,000-horsepower (3,000 kW) locomotives and 200-plus-car trains. Narrow gauge's reduced stability means that its trains cannot run at speeds as high as on broader gauges. For example, if

150-503: A mine in Bohemia with a railway of about 2 ft ( 610 mm ) gauge. During the 16th century, railways were primarily restricted to hand-pushed, narrow-gauge lines in mines throughout Europe. In the 17th century, mine railways were extended to provide transportation above ground. These lines were industrial , connecting mines with nearby transportation points (usually canals or other waterways). These railways were usually built to

175-825: A number of large 3 ft ( 914 mm ) railroad systems in North America; notable examples include the Denver & Rio Grande and Rio Grande Southern in Colorado; the Texas and St. Louis Railway in Texas, Arkansas and Missouri; and, the South Pacific Coast , White Pass and Yukon Route and West Side Lumber Co of California. 3 ft was also a common track gauge in South America, Ireland and on

200-608: A range of industrial railways running on 500 mm ( 19 + 3 ⁄ 4  in ) and 400 mm ( 15 + 3 ⁄ 4  in ) tracks, most commonly in restricted environments such as underground mine railways, parks and farms, in France. Several 18 in ( 457 mm ) gauge railways were built in Britain to serve ammunition depots and other military facilities, particularly during World War I . Georgius Agricola Too Many Requests If you report this error to

225-525: Is a break of gauge at Kidatu. It is about 300 km (190 mi) from Dar es Salaam , either via the north or TAZARA. Since 1998, a transshipment station has been provided to overcome the break-of-gauge at this location. This hub connects the large 3 ft 6 in ( 1,067 mm ) zone of southern Africa and bypasses congestion at Dar es Salaam . Under a deal with Tanzania, metre gauge trains that connect with 3 ft 6 in ( 1,067 mm ) trains at Kidatu are operated by

250-491: Is a track gauge of 1,000 mm ( 3 ft  3 + 3 ⁄ 8  in ). It has about 95,000 km (59,000 mi) of track. According to Italian law, track gauges in Italy were defined from the centre of each rail rather than the inside edges of the rails. This gauge, measured 950 mm ( 3 ft  1 + 3 ⁄ 8  in ) between the edges of the rails, is known as Italian metre gauge . There were

275-488: Is one where the distance between the inside edges of the rails is less than 1,435 mm ( 4 ft  8 + 1 ⁄ 2  in ). Historically, the term was sometimes used to refer to what are now standard-gauge railways , to distinguish them from broad-gauge railways , but this use no longer applies. The earliest recorded railway appears in Georgius Agricola 's 1556 De re metallica , which shows

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300-1021: The Isle of Man . 900 mm was a common gauge in Europe. Swedish three-foot-gauge railways ( 891 mm or 2 ft  11 + 3 ⁄ 32  in ) are unique to that country and were once common all over the country. Today the only 891 mm line that remains apart from heritage railways is Roslagsbanan , a commuter line that connects Stockholm to its northeastern suburbs. A few railways and tramways were built to 2 ft 9 in ( 838 mm ) gauge, including Nankai Main Line (later converted to 3 ft 6 in or 1,067 mm ), Ocean Pier Railway at Atlantic City , Seaton Tramway ( converted from 2 ft ) and Waiorongomai Tramway . 800 mm ( 2 ft  7 + 1 ⁄ 2  in ) gauge railways are commonly used for rack railways . Imperial 2 ft 6 in ( 762 mm ) gauge railways were generally constructed in

325-1300: The Trans Africa Railway Corporation . Approximately 160,000 t (160,000 long tons; 180,000 short tons) of traffic passes through the hub each year. Kidatu has a sugar mill . 07°42′S 36°57′E  /  7.700°S 36.950°E  / -7.700; 36.950 Narrow gauge A narrow-gauge railway ( narrow-gauge railroad in the US) is a railway with a track gauge narrower than 1,435 mm ( 4 ft  8 + 1 ⁄ 2  in ) standard gauge . Most narrow-gauge railways are between 600 mm ( 1 ft  11 + 5 ⁄ 8  in ) and 1,067 mm ( 3 ft 6 in ). Since narrow-gauge railways are usually built with tighter curves , smaller structure gauges , and lighter rails ; they can be less costly to build, equip, and operate than standard- or broad-gauge railways (particularly in mountainous or difficult terrain). Lower-cost narrow-gauge railways are often used in mountainous terrain, where engineering savings can be substantial. Lower-cost narrow-gauge railways are often built to serve industries as well as sparsely populated communities where

350-587: The 500mm gauge tracks of their mine railway ; these locomotives were made by the Deutz Gas Engine Company ( Gasmotorenfabrik Deutz ), now Deutz AG . Another early use of internal combustion was to power a narrow-gauge locomotive was in 1902. F. C. Blake built a 7 hp petrol locomotive for the Richmond Main Sewerage Board sewage plant at Mortlake . This 2 ft 9 in ( 838 mm ) gauge locomotive

375-952: The Philippines demonstrate that if track is built to a heavy-duty standard, performance almost as good as a standard-gauge line is possible. Two-hundred-car trains operate on the Sishen–Saldanha railway line in South Africa, and high-speed Tilt Trains run in Queensland. In South Africa and New Zealand, the loading gauge is similar to the restricted British loading gauge; in New Zealand, some British Rail Mark 2 carriages have been rebuilt with new bogies for use by Tranz Scenic (Wellington-Palmerston North service), Tranz Metro (Wellington-Masterton service), and Auckland One Rail (Auckland suburban services). Another example of

400-920: The coal industry. Some sugar cane lines in Cuba were 2 ft  3 + 1 ⁄ 2  in ( 699 mm ). 2 ft ( 610 mm ) gauge railways were generally constructed in the former British colonies. The U.S. had a number of railways of that gauge , including several in the state of Maine such as the Wiscasset, Waterville and Farmington Railway . 1 ft  11 + 3 ⁄ 4  in ( 603 mm ), 600 mm ( 1 ft  11 + 5 ⁄ 8  in ) and 1 ft  11 + 1 ⁄ 2  in ( 597 mm ) were used in Europe. Gauges below 1 ft  11 + 1 ⁄ 2  in ( 597 mm ) were rare. Arthur Percival Heywood developed 15 in ( 381 mm ) gauge estate railways in Britain and Decauville produced

425-544: The fastest train in Australia and the fastest 3 ft 6 in ( 1,067 mm ) gauge train in the world, set a record of 210 km/h (130 mph). The speed record for 3 ft 6 in ( 1,067 mm ) narrow-gauge rail is 245 km/h (152 mph), set in South Africa in 1978. A special 2 ft ( 610 mm ) gauge railcar was built for the Otavi Mining and Railway Company with

450-575: The former British colonies . 760 mm Bosnian gauge and 750 mm railways are predominantly found in Russia and Eastern Europe. Gauges such as 2 ft 3 in ( 686 mm ), 2 ft 4 in ( 711 mm ) and 2 ft  4 + 1 ⁄ 2  in ( 724 mm ) were used in parts of the UK, particularly for railways in Wales and the borders, with some industrial use in

475-550: The same narrow gauge as the mine railways from which they developed. The world's first steam locomotive , built in 1802 by Richard Trevithick for the Coalbrookdale Company, ran on a 3 ft ( 914 mm ) plateway . The first commercially successful steam locomotive was Matthew Murray 's Salamanca built in 1812 for the 4 ft 1 in ( 1,245 mm ) Middleton Railway in Leeds . Salamanca

500-475: The traffic potential would not justify the cost of a standard- or broad-gauge line. Narrow-gauge railways have specialised use in mines and other environments where a small structure gauge necessitates a small loading gauge . In some countries, narrow gauge is the standard: Japan, Indonesia, Taiwan, New Zealand, South Africa, and the Australian states of Queensland , Western Australia and Tasmania have

525-565: The world; 19th-century mountain logging operations often used narrow-gauge railways to transport logs from mill to market. Significant sugarcane railways still operate in Cuba, Fiji, Java, the Philippines, and Queensland, and narrow-gauge railway equipment remains in common use for building tunnels. In 1897, a manganese mine in the Lahn valley in Germany was using two benzine -fueled locomotives with single cylinder internal combustion engines on

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550-525: Was adopted by early 19th-century railways, primarily in the Lanarkshire area of Scotland. 4 ft  6 + 1 ⁄ 2  in ( 1,384 mm ) lines were also constructed, and both were eventually converted to standard gauge. 1,067 mm ( 3 ft 6 in ) between the inside of the rail heads, its name and classification vary worldwide and it has about 112,000 kilometres (70,000 mi) of track. As its name implies, metre gauge

575-563: Was also the first rack-and-pinion locomotive. During the 1820s and 1830s, a number of industrial narrow-gauge railways in the United Kingdom used steam locomotives. In 1842, the first narrow-gauge steam locomotive outside the UK was built for the 1,100 mm ( 3 ft  7 + 5 ⁄ 16  in )-gauge Antwerp-Ghent Railway in Belgium. The first use of steam locomotives on a public, passenger-carrying narrow-gauge railway

600-560: Was in 1865, when the Ffestiniog Railway introduced passenger service after receiving its first locomotives two years earlier. Many narrow-gauge railways were part of industrial enterprises and served primarily as industrial railways , rather than general carriers. Common uses for these industrial narrow-gauge railways included mining, logging, construction, tunnelling, quarrying, and conveying agricultural products. Extensive narrow-gauge networks were constructed in many parts of

625-592: Was probably the third petrol-engined locomotive built. Extensive narrow-gauge rail systems served the front-line trenches of both sides in World War I . They were a short-lived military application, and after the war the surplus equipment created a small boom in European narrow-gauge railway building. The heavy-duty 3 ft 6 in ( 1,067 mm ) narrow-gauge railways in Australia (Queensland), New Zealand, South Africa, Japan, Taiwan, Indonesia and

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