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The Maine Narrow Gauge Railroad in Portland, Maine. In New England, the first narrow-gauge common-carrier railroad was the Billerica and Bedford Railroad, which ran from North Billerica to Bedford in Middlesex County, Massachusetts from 1877 to 1878. There were extensive 2 ft (610 mm) gauge lines in the Maine forests early in the 20th century.
Europe. Australia. A narrow-gauge railway (narrow-gauge railroad in the US) is a railway with a track gauge narrower than 1,435 mm (4 ft 81⁄2 in) standard gauge. Most narrow-gauge railways are between 600 mm (1 ft 115⁄8 in) and 1,067 mm (3 ft 6 in). Since narrow-gauge railways are usually built with tighter curves, smaller structure gauges ...
The large network of narrow-gauge sugar cane light railways, almost all 610 mm (2 ft) gauge, is not shown, Rail gauge in Australia. Rail gauge world Track gauge Rail gauge world Map Rail gauge world Map, 600mm. to 1676 mm. Rail gauge world Map, 597 mm. to 2140 mm. Triple-gauge track on turntable, Gladstone, South Australia.
A steam locomotive of the C&TS RR. Many narrow-gauge railways were built in the United States with track gauge 3 ft (914 mm). The most extensive and well known systems were the 3 ft (914 mm) gauge lines through the Rocky Mountain states of Colorado and New Mexico. Today a few lines survive as heritage railways and tourist attractions.
Track gauge. Originally, various track gauges were used in the United States. Some railways, primarily in the northeast, used standard gauge of 4 ft 8⁄ in (1,435 mm); others used gauges ranging from 2 ft (610 mm) to 6 ft (1,829 mm). As a general rule, southern railroads were built to one or another broad gauge, mostly 5 ft (1,524 mm), while ...
Minimum railway curve radius. 90-foot (27.43 m) radii on the elevated 4 ft 81⁄2 in (1,435 mm) standard gauge Chicago 'L'. There is no room for longer radii above this street intersection at this cross junction at the Wells and Lake street intersection in the northwest corner of the loop. The minimum railway curve radius is the shortest ...
Track gauge. Track geometry is concerned with the properties and relations of points, lines, curves, and surfaces [1] in the three-dimensional positioning of railroad track. The term is also applied to measurements used in design, construction and maintenance of track. Track geometry involves standards, speed limits and other regulations in the ...
July 4, 1961. The Durango and Silverton Narrow Gauge Railroad, often abbreviated as the D&SNG, is a 3 ft (914 mm) narrow-gauge heritage railroad that operates on 45.2 mi (72.7 km) of track between Durango and Silverton, in the U.S. state of Colorado. The railway is a federally-designated National Historic Landmark and was also designated by the ...