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+3⁄4 in)
- 16 in (406 mm)
- 18 in (457 mm)
- 19 in (483 mm)
- 500 mm (19+3⁄4 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.