Explain why Harvey's businesses declined in the mid-20th century.

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Harvey's businesses declined in the mid-20th century because in the mid-1950s, with the production of more automobiles in the United States, people started to use more cars for transportation than trains.

We are talking about the famous and creative entrepreneur Frederick Henry Harvey(1835-1901). With the advent of the railway system in the United States, he developed the concept of restaurants, lodges, and hotels for the passengers. The name of his company was Harvey House, and he was very successful in those years that he formed a chain of restaurants and hotels.