Complex sentence: Seneca is a Buffalo Metro Rail station in downtown Buffalo, New York located on Main Street between Seneca and Swan Streets within the Metro Rail "fare-free" zone, which allows passengers free travel between Erie Canal Harbor Station and Fountain Plaza Station.
Split into simpler sentences: Seneca is a Buffalo Metro Rail station in downtown Buffalo, New York located on Main Street between Seneca and Swan Streets. Seneca station is located within the Metro Rail "fare-free" zone, which allows passengers free travel between Erie Canal Harbor Station and Fountain Plaza Station.