Railways with a railway track gauge of 5 ft (1,524 mm) first appeared in the United Kingdom and the United States. This gauge became commonly known as...

Railways with a track gauge of 5 ft 3 in (1,600 mm) fall within the category of broad gauge railways. As of 2022[update], they were extant in Australia...

foot and 600 mm gauge railways are narrow gauge railways with track gauges of 2 ft (610 mm) and 600 mm (1 ft 11+5⁄8 in), respectively. Railways with similar...

Railways with a track gauge of 3 ft 6 in (1,067 mm) were first constructed as horse-drawn wagonways. The first intercity passenger railway to use 3 ft...

5 ft 6 in / 1,676 mm is a broad track gauge, used in India, Pakistan, western Bangladesh, Sri Lanka, Argentina, Chile, and on BART in the San Francisco...

foot gauge railways have a track gauge of 3 ft (914 mm) or 1 yard. This gauge is a narrow gauge and is generally found throughout North, Central, and South...

of railway track gauges by size. A gauge is measured between the inner faces of the rails. For ridable miniature railways and minimum gauge railways, the...

2 ft 6 in (762 mm) gauge railways are narrow gauge railways with track gauge of 2 ft 6 in (762 mm). This type of rail was promoted especially in the colonies...

750 mm (2 ft 5+1⁄2 in) narrow-gauge railways are very similar to 760 mm (2 ft 5+15⁄16 in) and 2 ft 6 in (762 mm) gauge. 750 mm gauge rolling stock is almost...

A standard-gauge railway is a railway with a track gauge of 1,435 mm (4 ft 8+1⁄2 in). The standard gauge is also called Stephenson gauge (after George...

The 4 ft 6 in (1,372 mm) track gauge, also called the Scotch gauge, was adopted by early 19th century railways mainly in the Lanarkshire area of Scotland...

Metre-gauge railways (US: meter-gauge railways) are narrow-gauge railways with track gauge of 1,000 mm (3 ft 3+3⁄8 in) or 1 metre. Metre gauge is used...

672 mm (5 ft 5+13⁄16 in) gauge of six Castilian feet. Those of Portugal were instead built to a 1,435 mm (4 ft 8+1⁄2 in) and later railways to a 1,664 mm...

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...

used by standard-gauge railways. Broad gauge of 1,520 mm (4 ft 11+27⁄32 in), more known as Russian gauge, is the dominant track gauge in former Soviet Union...

900 mm (2 ft 11+7⁄16 in) narrow-gauge railways are generally found in Europe. This gauge is mostly used for light urban rail networks, industrial and agricultural...

Bosnian-gauge railways are railways with track gauge of 760 mm (2 ft 5+15⁄16 in). These were found extensively in the former Austro-Hungarian Empire as...

mm gauge railways are narrow-gauge railways built to a track gauge of 800 mm (2 ft 7+1⁄2 in). Whilst this gauge is uncommon amongst adhesion railways...

gauges were used in the United States. Some railways, primarily in the northeast, used standard gauge of 4 ft 8+1⁄2 in (1,435 mm); others used gauges...

railways in Europe use the standard gauge of 1,435 mm (4 ft 8+1⁄2 in). Some countries use broad gauge, of which there are three types. Narrow gauges are...

(508 mm). The notion of minimum-gauge railways was originally developed by estate railways and the French company of Decauville for light railways, trench...

(3 ft 6 in) South African Railways are 9 feet 6 inches (2.9 m) wide. A large numbers of railways using the 762 mm (2 ft 6 in) gauge used the same rolling...

Large amusement railways 2 ft and 600 mm gauge railways in the United Kingdom 2 ft 6 in gauge railroads in the United States 3 ft gauge railroads in the...

4 ft 8 in gauge railways are railways with a track gauge of 4 ft 8 in / 1,422 mm. This gauge is 1⁄2 inch (13 mm) less than 4 ft 8+1⁄2 in (1,435 mm) standard...

network and was very similar to the 1,435 mm (4 ft 8+1⁄2 in) standard gauge commonly used elsewhere in the world. Since the 1930s, the 1,435 mm gauge has...

Toronto-gauge railways are tram and rapid transit lines built to Toronto gauge, a broad gauge of 4 ft 10+7⁄8 in (1,495 mm). This is 2+3⁄8 in (60 mm) wider...

Slovakia at Solomonovo and the border with Romania at Nevetlenfolu are dual-gauge, 1520 mm (4 ft 11+27⁄32 in) and 1435 mm (4 ft 8+1⁄2 in). This is in part...

With railways, a break of gauge occurs where a line of one track gauge (the distance between the rails, or between the wheels of trains designed to run...

Forfar Railway opened in 1838 with a gauge of 5 ft 6 in (1,676 mm), and the Ulster Railway of 1839 used 6 ft 2 in (1,880 mm). Locomotives were being developed...

Uzbekistan, and Tajikistan, to the north: 1520 mm (4 ft 11+27⁄32 in). In 2010, the international 1435 mm (4 ft 8+1⁄2 in) "standard gauge" was chosen to...