and Southern Railway used both standard-gauge and narrow-gauge tracks, and had a dual-gauge line between Denver and Golden, Colorado. Until the 1960s, the Denver and Rio Grande Western Railroad's Alamosa–Durango Line from Alamosa, Colorado to Antonito was dual-gauge. Previously, in its Mount Union, Pennsylvania yard, the East Broad Top Railroad and Coal Company used dual-gauge tracks. Apart from the Los Angeles Railway and the Pacific Electric Railway, the examples were and . Vietnam In Vietnam, near the border with China, there is and dual-gauge track between Hanoi and Đồng Đăng. Other smaller dual-gauge sections exist elsewhere in the north-east of the country. See also Broad-gauge railway Gauntlet track Glossary of rail transport terms History of rail transport Rail transport Rail transport by country Tamping machines Track gauge conversion Notes Notes to gallery photos References Further reading External links Jane's World Railways (hard copy) Jindřichův Hradec Local Railways Jindřichohradecké úzké mainly in Czech South Australia – Rail Revitalisation Project registration: a free registration is required to access the source. Columbus' streetcar track gauge de:Gleis#Mehrschienengleise