Standard gauge is the width of track most of the world uses. Built to standard gauge.
It is four feet eight and a half inches, a figure inherited from early English colliery wagons. Standard gauge carries about sixty per cent of the world's railway mileage.
1nounstandard gaugeThe width of track most of the world uses.
“The line was rebuilt to standard gauge in the 1890s.”
standard gauge is a gauge.
Practised in Railways