High Quality Content by WIKIPEDIA articles! Guinea has 1,086 km of railways. This includes 279 km at 1,435 mm (4 ft 8+1?2 in) gauge and 807 km at 1,000 mm (3 ft 3+3?8 in) gauge. The latter includes 662 km in common carrier service from Kankan to Conakry. In 2008, the government of Guinea was in talks with Rio Tinto and BHP Billiton about renovation of the Conakry-Kankan line. Rail gauge is the distance between the inner sides of the heads of the two load bearing parallel rails that make up a...
High Quality Content by WIKIPEDIA articles! Guinea has 1,086 km of railways. This includes 279 km at 1,435 mm (4 ft 8+1?2 in) gauge and 807 km at 1,000 mm (3 ft 3+3?8 in) gauge. The latter includes 662 km in common carrier service from Kankan to Conakry. In 2008, the government of Guinea was in talks with Rio Tinto and BHP Billiton about renovation of the Conakry-Kankan line. Rail gauge is the distance between the inner sides of the heads of the two load bearing parallel rails that make up a single railway line. Sixty percent of the world's railways use a standard gauge of 1,435 mm (4 ft 8+1?2 in). Wider gauges are called broad gauge; smaller gauges, narrow gauge. Break-of-gauge refers to the meeting of different gauges. Some stretches of track are dual gauge, with three or four rails, allowing trains of different gauges to share them. Gauge conversion can resolve break-of-gauge problems. An exception of a railway with no gauge is monorail where there is only one supporting rail. Some electrified railways use non load bearing third rail and occasionally a '4th' rail.
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