Three-foot six-inch gauge railways in the United States

A list of gauge railways in the United States. Apart from historical railways, it is commonly used in underground coal mines. Also, in the past, this gauge had been a popular choice for urban mass transit systems (see table below).

Railroads

See also

• Narrow gauge railroads in the United States
• Heritage railway
• 2 ft gauge railroads in the United States
• 2 ft 6 in gauge railroads in the United States
• 3 ft gauge railroads in the United States
• Three foot six inch gauge railways in the United Kingdom

References