Union Station served the residents of Chatham, New York from 1887 to 1972 as a passenger station and until 1976 as a freight station. It was the final stop for Harlem Line trains. It had originally served trains of the Boston and Albany Railroad, then the New York Central Railroad and the Rutland Railway. It served as a junction for service that radiated to Rensselaer, New York on the northwest, Hudson, New York to the southwest, northeast in southwestern Vermont and Pittsfield, Massachusetts and New York City to the south.