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At Albury railway station, New South Wales, a 1600 mm (5 ft 3 in) and 1435 mm (4 ft 8 + 1 ⁄ 2 in) dual-gauge line was in place until 2011. A dual-gauge line was within Tocumwal railway station until 1988, when the standard gauge component was put out of use. In 1900, in South Australia, a three-rail dual-gauge system was proposed in order to ...
Haifa, Carmelit subway railway line - Funicular: England North Cliff Lift, Scarborough: 2,000 mm 6 ft 6 + 3 ⁄ 4 in: Scotland Cairngorm Mountain Railway - Funicular: 2,134 mm 7 ft: England Original definition of Brunel's broad gauge. This rail gauge was soon changed to 7 ft 1 ⁄ 4 in (2,140 mm) [104] to ease running in curves. 2,140 mm 7 ft 1 ...
If the difference between the two gauges is large enough – for example between 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge and 3 ft 6 in (1,067 mm) – three-rail dual-gauge is possible, but if not – for example between 3 ft 6 in (1,067 mm) and 1,000 mm (3 ft 3 + 3 ⁄ 8 in) metre gauge – four rails must be used. Dual-gauge rail lines ...
The Melbourne to Albury railway originally consisted of separate 1,600 mm (5 ft 3 in) gauge and 1,435 mm (4 ft 8 + 1 ⁄ 2 in) gauge single track lines, but when traffic on the broad gauge declined, the lines were converted to bi-directional double track 1,435 mm (4 ft 8 + 1 ⁄ 2 in) gauge lines.
Between 1876 and 1880, most of the 6 ft lines converted to standard gauge, some having been first dual gauged with a third running rail allowing standard gauge trains to share the track, prior to the removal of the 6 ft rails. [2]
The horizontal alignment (or alinement in the United States) is done by using a predefined length of string line (such as 62-foot in the US and 20 meters in Australia [5]) to measure along the gauge side of the reference rail. It is the distance (in inches or millimeters) from the midpoint of the string line to the gauge of the reference rail.
Hesston Steam Museum (2 ft (610 mm) gauge lines and dual gauge lines with 2 ft gauge track also present) (all 3 ft (914 mm) gauge trackage is dual-gauged with 2 ft gauge trackage) (separate 14 in (356 mm) gauge railway and separate 7 + 1 ⁄ 2 in (190.5 mm) gauge railway also present) (operating) Iowa: Burlington and Northwestern Railway (defunct)
The Inland Railway line from Melbourne to Brisbne of 1600km length includes about 300km of dual gauge that improves the curves and gradients of the original Brisbane to Toowoomba line. This dual gauge replaces the narrow gauge that was chosen to enable cheap 100m radius curves and 2% gradients. 900 mm (2 ft 11 + 7 ⁄ 16 in) 1,000 mm (3 ft 3 ...