Minimum-gauge railway

Minimum-gauge railways are railways with track gauges smaller than those of narrow-gauge railways, primarily designed for light, industrial, or tourist transportation. The most common gauges for minimum-gauge railways include:

  • 15 in (381 mm)
  • 400 mm (15+34 in)
  • 16 in (406 mm)
  • 18 in (457 mm)
  • 19 in (483 mm)
  • 500 mm (19+34 in)
  • 20 in (508 mm)

These railways have been developed for applications such as estate transport, mining, agriculture, and amusement parks, offering an economical and adaptable solution for restricted environments.