Historical Marker
Constitution Ratification Site
Historical marker location:
10 Market Street, Poughkeepsie, New York
( Marker is at the intersection of Market Street and Main Street, on the left when traveling north on Market Street.)
Marker installed: 1904
The New York City subway system, which opened in 1904, was the first rapid transit system in the world. The original line ran from City Hall to 145th Street in Harlem.