The Superliner is a type of bilevel intercity railroad passenger car used by Amtrak, the national rail passenger carrier in the United States. Amtrak ordered the cars to replace older single-level cars on its long-distance trains in the Western United States.

Amfleet is a fleet of single-level intercity railroad passenger cars built by the Budd Company for American company Amtrak in the late 1970s and early 1980s. As of 2015, Amfleet cars are used extensively in the eastern and midwestern United States, forming the backbone of Amtrak's single-level fleet.

Of course don't forget the Amtrak locomotives: AZL Amtrak Locomotives