Standard gauge facts for kids
The standard gauge (also called the Stephenson gauge after George Stephenson, or Normal gauge) is a popular rail gauge. About 60% of the world's current railway lines use this gauge. The distance between the inside edges of the rails of standard gauge track is 1,435 mm (4 ft 8 1⁄2 in).
See also
In Spanish: Ancho internacional para niños
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Standard gauge Facts for Kids. Kiddle Encyclopedia.