 
 <prompt> Wetin be di Vermonter train line? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Union Station dey get four Amtrak lines wey dey serve am: the Northeast Regional and the high-speed Acela Express dey provide service go New York, Washington, D.C. and Boston, and dem dey rank as the first and second busiest routes for the country; the New Haven–Springfield Line dey provide service go Hartford and Springfield, Massachusetts; and the Vermonter dey provide service go both Washington, D.C., and Vermont, wey dey 15 miles (24 km) from the Canadian border. Amtrak still dey codeshare with United Airlines for travel go any airport wey United Airlines dey service, via Newark Airport (EWR) wey dey originate from or terminate for Union Station, (IATA: ZVE). 