Metre-gauge railway
Metre-gauge railways are narrow-gauge railways with track gauge of or 1 metre.
Metre gauge is used in around of tracks around the world. It was used by several European colonial powers including France, Britain and Germany in their colonies. In Europe, large metre-gauge networks remain in use in Switzerland, Spain and many European towns with urban trams, but most metre-gauge local railways in France, Germany and Belgium closed down in the mid-20th century, although some still remain. With the revival of urban rail transport, metre-gauge light metros were built in some cities. The slightly-wider gauge is used in Sofia, Bulgaria. Another similar gauge is.