inżynieria: Alamosa–Durango line

Evidence: 100 • authority: 72

The Alamosa–Durango line or San Juan extension was a railroad line built by the Denver and Rio Grande Western Railroad, following the border between the U.S. states of Colorado and New Mexico, in the Rocky Mountains. The line was originally built as a 3 ft (914 mm) narrow-gauge line between Alamosa, Colorado, and Durango, Colorado. Portions of the route survive: the now standard-gauged segment from Alamosa to Antonito, Colorado, and a narrow-gauge portion from Antonito to Chama, New Mexico.

Evidence: 80 • authority: 72

The Durango & Silverton Narrow Gauge Railroad Company, often abbreviated as the D&SNG, is a 3 ft (914 mm) narrow-gauge heritage railroad that operates on 45.2 miles (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 District and was also designated by the American Society of Civil Engineers as a National Historic Civil Engineering Landmark in 1968. The line from Durango to Silverton has run continuously since 1881, although it is now a tourist and heritage line hauling passengers, and is one of the few places in the US which has seen continuous use of steam locomotives. The route was originally op…

Evidence: 59 • authority: 72

The Denver and Rio Grande Western Railroad (reporting mark DRGW), often shortened to Rio Grande, D&RG or D&RGW, formerly the Denver & Rio Grande Railroad, was an American Class I railroad company. The railroad started as a 3 ft (914 mm) narrow-gauge line running south from Denver, Colorado, in 1870. It served mainly as a transcontinental bridge line between Denver and Ogden, Utah. The Rio Grande was also a major origin of coal and mineral traffic. The Rio Grande was a strong example of mountain railroading, with a motto of Through the Rockies, not around them and later Main line through the Rockies, both referring to the Rocky Mountains. The D&RGW operated the highest mainline rail line in…

Evidence: — • authority: 72

The Rio Grande Southern Railroad (reporting mark RGS, also referred to as "The Southern") was a 3 ft (914 mm) narrow-gauge railroad which ran in the southwestern region of the US state of Colorado, from the towns of Durango to Ridgway, routed via Lizard Head Pass. Built by German immigrant and Colorado toll road builder Otto Mears, the RGS operated from 1891 through 1951 and was built with the intent to transport immense amounts of silver mineral traffic that were being produced by the mining communities of Rico and Telluride. On both ends of the railroad, there were interchanges with The Denver and Rio Grande Railroad (reporting mark D&RG(W), later known as the Denver and Rio Grande Wester…

Evidence: — • authority: 72

The rolling stock of the Durango and Silverton Narrow Gauge Railroad includes steam and diesel locomotives, passenger coaches, concession cars, open observation cars, cabooses, and other specialized equipment. Its steam locomotive roster includes examples of the K-28, K-36, and K-37 classes formerly operated by the Denver and Rio Grande Western Railroad, while its diesel fleet includes center-cab locomotives and DL-535E locomotives acquired from the White Pass and Yukon Route. The railroad's passenger rolling stock includes cars dating from the late 19th century as well as equipment built or rebuilt by the D&SNG. Several locomotives formerly owned by the railroad were later traded or sold,…