Norristown Railroad, and now used for passenger service by SEPTA, ran north on 9th Street from the east-west line on Willow Street. Its passenger station was at Mount Vernon Street, again where the new viaduct merged with the old alignment. See also 30th Street Station Chinese Wall High Line, a converted elevated line in New York City Bloomingdale Trail, a converted elevated line in Chicago Dequindre Cut, a converted below-grade line in Detroit References External links Friends of the Railpark VIADUCTgreene Photo Tour: JJ Tiziou, "Philadelphia's Secret Garden", January 8, 2012 Bridges in Philadelphia Callowhill, Philadelphia Elevated parks Landmarks in Philadelphia Linear parks Railroad bridges in Pennsylvania Reading Company lines Reading Railroad bridges Urban public parks Viaducts in the United States