Complex sentence: Those at Weehawken (New York Central), Pavonia (Erie Railroad), and Exchange Place (Pennsylvania Railroad) were demolished in the 1960s, while the Central Railroad of New Jersey Terminal was restored and is now part of Liberty State Park.
Split into simpler sentences: Those at Weehawken (New York Central), Pavonia (Erie Railroad), and Exchange Place (Pennsylvania Railroad) were demolished in the 1960s. The restored Central Railroad of New Jersey Terminal is now part of Liberty State Park.