High Quality Content by WIKIPEDIA articles! The former Yonkers Trolley Barn is located on Main Street in Yonkers, New York, United States. It is a massive steel frame brick building in the Renaissance Revival style built at the beginning of the 20th century. In 2002 it was listed on the National Register of Historic Places as the last remaining trolley barn in Westchester County and the only remnant of Yonkers` trolley system.