Complex sentence: The highway's southern terminus is a traffic signal at Hillside Avenue (New York State Route 25 or NY 25) in the Queens neighborhood of Queens Village, however the original plan was to extend it further south to JFK Airport.
Split into simpler sentences: The highway's southern terminus is a traffic signal at Hillside Avenue (New York State Route 25 or NY 25) in the Queens neighborhood of Queens Village. However, the original plan was to extend it further south to JFK Airport.