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The London Underground utilises differing loading gauges: a Metropolitan line A Stock sub-surface train (left) passes a Piccadilly line 1973 Stock tube train (right). The loading gauge restricts the size of passenger coaches, goods wagons (freight cars) and shipping containers that can travel on a section of railway track. It varies across the ...
The act continued legislative approval of the broad-gauge railways constructed by the Great Western Railway engineer Isambard Kingdom Brunel and endorsed the construction of several new broad-gauge lines, but restricted them to the south-west of England and to Wales. The act stated that these railways "shall be constructed on the Gauge of Seven ...
The United Kingdom Royal Commission on Railway Gauges was held in 1845 to choose between the 7 ft (2134 mm) broad gauge of the Great Western Railway and its associated companies and the so-called narrow gauge (now known as standard gauge) of 4 ft 8 + 1 ⁄ 2 in (1435 mm) that had been installed in most of the rest of the country. The situation ...
Measuring rail gauge. During the early days of rail, there was considerable variation in the gauge used by different systems, and in the UK during the railway building boom of the 1840s Brunel's broad gauge of 7 ft 1 ⁄ 4 in (2,140 mm) was in competition with what was referred to at the time as the 'narrow' gauge of 1,435 mm (4 ft 8 + 1 ⁄ 2 in).
Standard-gauge Rail Baltica railway is under construction and is scheduled to be completed by 2026. Cost studies have been undertaken for a potential overhaul of entire rail network to standard gauge. [41] Ethiopia: Addis Ababa-Djibouti Railway; Addis Ababa Light Rail: 659 km (409 mi) Other standard gauge lines under construction. Finland
The official name of this gauge is the Gabarit passe-partout international (PPI, literally "pass-everywhere international gauge"), and it came into force in 1914. The European (Berne) loading gauge is usually 3,150 mm (10 ft 4 in) wide by 3,175 mm (10 ft 5.0 in) rising to 4,280 mm (14 ft 1 in) in the centre.
Measurement of track spacing from the rail head to rail head. By definition, the track spacing is given from centre to centre of a rail track. For an actual construction the distance is measured from the inside of a rail head to the matching one of the other track. As far as both tracks have the same gauge this is the same distance.
Track gauge conversion is the changing of one railway track gauge (the distance between the running rails) to another. In general, requirements depend on whether the conversion is from a wider gauge to a narrower gauge or vice versa, on how the rail vehicles can be modified to accommodate a track gauge conversion, and on whether the gauge conversion is manual or automated.