Definition of "Amtrak"

Trains are fuller under Amtrak, but it is thought to be largely because there are fewer trains.

1969, School Mathematics Study Group, Studies in mathematics, volumes 19-20, page 8

Its pitifully small appropriation of $40 million already gone, Amtrak has asked Congress for another $170 million to keep the trains running through mid-1973.

1971, “Give the trains a chance”, in Life, page 42

The Amtrak brand revitalization approach represents one of the most ambitious, comprehensive, and systematic experiential marketing approaches I have ever seen.

1999, Bernd Schmitt, Experiential marketing, page 39