5 inch gauge is garden railway but 3.5 inch gauge is the smallest elevated gauge for a railway
http://www.rideonrailways.co.uk/
Lochaber Narrow Gauge Railway was created in 1925.
Lochaber Narrow Gauge Railway ended in 1977.
The standard gauge railway line allows for increased capacity for standard gauge railway line through the addition of an extra track on the current line.
Miami Valley Narrow Gauge Railway was created in 1874.
Miami Valley Narrow Gauge Railway ended in 1876.
Narrow Gauge Railway Museum in Sochaczew was created in 1984.
Broad gauge railway track is appproximately 5-foot 6 meters wide
A narrow gauge railway has numerous advantages. Narrow gauge railways usually are less expensive than broader gauge railways. Narrow gauge railways can be used in mountainous terrains. They can also be used as temporary railways.
20gauge piercings are the smallest common size.
The smallest divisions on the main scale of a screw gauge are typically 0.5 mm.
18g
18 Gauge