Complex sentence: Hoboken is the only surviving active passenger rail terminal on the Hudson Waterfront, as the Weehawken, Pavonia, Exchange Place terminals have been demolished, while the Central Railroad of New Jersey Terminal has been closed and is now part of Liberty State Park.
Split into simpler sentences: Hoboken is the only surviving active passenger rail terminal on the Hudson Waterfront. The Central Railroad of New Jersey Terminal is now part of Liberty State Park.