The Nebraska Zephyr was a streamlined passenger train operated by the Chicago, Burlington and Quincy Railroad between Chicago, Illinois; Omaha, Nebraska; and Lincoln, Nebraska, from 1947 to 1971. Until 1968, the service was provided by two Twin Cities Zephyr articulated trainsets — the "Train of the Gods" and "Train of the Goddesses" — that became synonymous with it. The Nebraska Zephyr was one of many trains discontinued when Amtrak began operations in 1971. The "Train of the Goddesses" set is preserved at the Illinois Railway Museum in Union, Illinois.

A streamliner is a vehicle incorporating streamlining in a shape providing reduced air resistance. The term is applied to high-speed railway trainsets of the 1930s to 1950s, and to their successor "bullet trains". Less commonly, the term is applied to fully faired upright and recumbent bicycles. As part of the Streamline Moderne trend, the term was applied to passenger cars, trucks, and other types of light-, medium-, or heavy-duty vehicles, but now vehicle streamlining is so prevalent that it is not an outstanding characteristic. In land speed racing, it is a term applied to the long, slender, custom built, high-speed vehicles with enclosed wheels.