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A Leslie Ragan painting depicting a Great Dome on the GN's Empire Builder.

Great Dome Passenger Car
The Great Domes are a fleet of six streamlined dome lounge cars built by the Budd Company for the Great Northern Railway and Chicago, Burlington and Quincy Railroad in 1955. The cars were used exclusively on the Empire Builder from their introduction in 1955 until the end of private passenger service in 1971. Amtrak retained all six cars and they continued to run on the Empire Builder before new Superliners displaced them at the end of the decade, after which they saw service elsewhere in the system. The Great Domes were similar in design to the Big Domes Budd built for the Atchison, Topeka and Santa Fe Railway.

Design
The Great Domes were "virtually identical" to the Big Dome lounges Budd constructed for the Santa Fe in 1954. The top level featured coach-style seating for 57, plus a lounge area which could seat an additional 18 on sofas and in booths. The lower level featured a cocktail lounge decorated with the art of the Haida people, who hailed from the Pacific Northwest.

Service history
The Great Northern was slow to adopt dome cars for its passenger trains. Management thought that the cost of heating and cooling the dome interiors would be prohibitively expensive given the hot summers and cold winters along the Hi-Line. Further, they thought the Empire Builder, which had already been re-equipped twice in 1947 and 1951, could attract passengers without adding domes. News that the Northern Pacific Railway and Chicago, Milwaukee, St. Paul and Pacific Railroad (the "Milwaukee Road") were adding domes to their transcontinental trains changed the Great Northern's mind. In 1953 the Great Northern ordered six Great Domes and sixteen "short" domes, enough to add one Great Dome and three "short" domes to the regular consist of the Empire Builder. One of the six cars was owned by the Chicago, Burlington and Quincy Railroad (CB&Q).

Amtrak acquired all six Great Domes from the Burlington Northern Railroad, successor to the Great Northern and CB&Q, on its startup in 1971. The Great Domes remained on the Empire Builder until October 28, 1979, when they and other single-level cars were displaced by Superliners and Hi-Level cars. Amtrak rebuilt three of the cars for head end power (HEP) and they remained on the roster into the 1990s on the Auto Train. Amtrak has retained one, Ocean View, as part of its business car fleet and for special use on regular routes.

A Great Dome Slideshow.

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Budd logo.
Great Northern herald.

A Leslie Ragan painting depicting a Great Dome on the GN's Empire Builder.

Great Dome Overview
Manufacturer: Budd Company
Constructed: 1953–55
Entered service: 1955
Number built: 6
Capacity: 57 coach + 18 lounge (dome level)
Operators: Great Northern Railway, Chicago, Burlington and Quincy Railroad, Burlington Northern Railroad, Amtrak

See also:

Dome Car

Dome Lounge

Rail Passenger Cars