| Ultra Dome | |
|---|---|
 A Rocky Mountaineer Ultra Dome at Banff in 2005 | |
.jpg) Interior of an Alaska Railroad Ultra Dome in 2014 | |
| Manufacturer | Colorado Railcar |
| Constructed | 1988–2007 |
| Entered service | 1988 |
| Number built | 44 |
| Capacity | Maximum 88 (upper level) |
| Operators | |
| Specifications | |
| Car body construction | Corten steel |
| Car length | 85 feet (26 m) |
| Height | 18 feet (5.5 m) |
| Weight | 203,000 pounds (92,000 kg) |
The Ultra Dome is a bilevel dome coach manufactured by Colorado Railcar for various operators between 1988–2007. Colorado Railcar, and its predecessor Rader Railcar, constructed a total of 44 cars. All 44 were purchased by touring companies in Alaska and Canada. At the time of their construction their dome areas featured the largest individual glass panes ever installed in a railcar.