Simplify the following text for a Grade 12 native English-speaking person.
Original: The terminal serves commuters traveling on the Metro-North Railroad to Westchester County , New York , Putnam County , New York , and Dutchess County , New York in New York State , and Fairfield County , Connecticut and New Haven County , Connecticut in the state of Connecticut .
Simplified: The terminal serves commuters traveling on the Metro-North Railroad to Westchester , Putnam , and Dutchess counties in New York State , and Fairfield and New Haven counties in Connecticut .