The Denver and Rio Grande Railroad (DRG or D&RG) generally referred to as the Rio Grande, became the Denver and Rio Grande Western Railroad (DRGW or D&RGW) in 1920, and is today a fallen flag (a railroad that has been absorbed into a larger system -- Union Pacific -- as the result of a merger). The D&RGW served mainly as transcontinental bridge line between Denver, Colorado, and Salt Lake City, Utah, and a major origin of coal and mineral traffic with a motto of Through the Rockies, not around them. The Rio Grande was the epitome of mountain railroading, operating the highest mainline rail line in the United States over 10,240 ft (3121 m) Tennessee Pass in Colorado and the famed routes through the Moffat Tunnel and the Royal Gorge. At its height around 1890, the D&RG had the largest operating narrow gauge railroad network in North America. Known for its independence, the D&RGW operated the last private long haul passenger train in the United States, the Rio Grande Zephyr.
The line from Pueblo to Leadville was upgraded in 1887 to three rails to accommodate both narrow gauge and standard gauge operation.
Narrow Gauge branch lines were constructed to Crested Butte, Lake City, Ouray and Somerset.
The original Denver and Rio Grande Western Railway had built a narrow gauge line from Ogden, Utah to via Soldier Summit, Utah to Grand Junction, Colorado. The railroad became the Rio Grande Western Railway in 1889 as part of a finance plan to upgrade the line from narrow gauge to standard gauge, and built several branch lines in Utah to reach lucrative coal fields. In 1901 the Denver and Rio Grande merged with the Rio Grande Western consolidating in 1908. However, the railroad was weakened by speculators, who had used the Rio Grande's equity to finance Western Pacific Railroad construction. The United States Railway Administration (USRA) took over the D&RG during World War I. In 1918 the D&RG fell into receivership after the bankruptcy of the Western Pacific. The Denver and Rio Grande Railroad (D&RGW or DRGW) emerged as a new company in 1920.
Finally free from financial problems, the D&RGW now possessed a direct route from Denver to Salt Lake City (the detour south through Pueblo and Tennessee Pass was no longer required for direct service), but a problem still remained: for transcontinental service, the Union Pacific's more northerly line was far less mountainous (and, as a result, several hours faster). The D&RGW's solution was its "fast freight" philosophy, which employed multiple diesel locomotives pulling short, frequent trains. This philosophy helps to explain why the D&RGW, despite its proximity to one of the nation's most productive coal mining regions, retired coal-fueled steam locomotives as quickly as new, replacement diesels could be purchased. By 1956, the D&RGW's standard-gauge locomotives had been retired and scrapped. The reason: Unlike steam locomotives, diesel locomotives can be easily combined, using the diesels' multiple unit (MU) capabilities, to equip each train with the optimum horsepower needed to meet the D&RGW's aggressive schedule.
The D&RGW's sense of its unique geographical challenge found expression in what is arguably the world's most famous passenger train, the California Zephyr, which was jointly operated with the Chicago, Burlington and Quincy Railroad (CB&Q) from Chicago to Denver and the Western Pacific Railroad from Salt Lake City to Oakland, California (with ferry and bus connections to San Francisco). Unable to compete with the Union Pacific's faster, less mountainous route and 39-hour schedules, the California Zephyr offered a more leisurely journey – a "rail cruise" – with ample vistas of the Rockies. Although the California Zephyr ran at full capacity and turned a modest profit from its 1950 inception through the late 1950s, by the mid-1960s the train was profitable only during the late spring, summer, and fall. In 1970, Western Pacific, claiming multi-million dollar losses, dropped out. However, the D&RGW refused to join the national Amtrak system, and continued to operate its share of the Zephyr equipment as the Rio Grande Zephyr until 1983.
Even as the D&RGW exploited the best new standard-guage technology to compete with other transcontinental carriers, the railroad continued to operate the surviving steam-powered narrow gauge lines, including the famed narrow gauge line between Durango and Silverton, Colorado. Although most of the remaining narrow-gauge trackage was abandoned in the 1960s and 1970s, two of the most scenic routes, including the Durango-Silverton route, were sold to tourist railroad operators, and remain in operation today.
On 11 September 1996 Anschutz sold the combined company to the Union Pacific Railroad, partly in a response to the earlier merger of the Burlington Northern and the Santa Fe which formed the Burlington Northern and Santa Fe Railway. As the Union Pacific absorbed the D&RGW into its system, signs of the fabled mountain railroad's existence are slowly fading away. As of May 14, 2006 the DRGW 5371 is the last operating original D&RGW locomotive on the Union Pacific today. The DRGW 5371 runs helper service out of Helper, Utah.
Union Pacific recently unveiled UP 1989, an EMD SD70ACe painted in DRGW colors.
| Train numbers | Train name | Endpoints | Years of operation |
|---|---|---|---|
| 1/2 | Royal Gorge | Denver-Grand Junction (via Royal Gorge) | |
| 5/6 | The Exposition Flyer | Chicago-Oakland | 1939-1949 |
| 5/6 | Amtrak's California Zephyr | Chicago-Oakland | 1983- |
| 7/8 | Prospector | Denver-Salt Lake City/Ogden | 1941-1942; 1945-1967 |
| 9/10 | Yampa Valley Mail | Denver-Craig | |
| 17/18 | California Zephyr | Chicago-Oakland | 1949-1970 |
| 17/18 | Rio Grande Zephyr | Denver-Salt Lake City | 1970-1983 |
| 19/20 | Mountaineer | Denver-Montrose | |
| 115/116 | San Juan Express | Alamosa-Durango | |
| 461/462 | Silverton | Durango-Silverton | |
| Ski Train | Denver-Winter Park |
Today, the D&RGW's Ski Train serves the city of Winter Park, Colorado, out of Union Station in Denver.
The Silverton, which has been operating since 1881, provides scenic day trips from Durango.
Denver and Rio Grande Western Railroad | Colorado railroads | Defunct railroad companies of the United States | History of Colorado | 1870 establishments
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