Quiz: What is the historical significance of the train station ‘Un April 26, 2025 by Liam Carter What is the historical significance of the train station ‘Union Station’ in Washington, D.C.? Discover more about Train Stations Across World at our home page. A) It was the first train station to be constructed in the United States. B) It was the terminus of the first transcontinental railroad. C) It is the busiest train station in the world. D) It was designed to be monumental in scale and to serve as a gateway to the nation’s capital. Submit Answer