NEW YORK, July 4 -- The National Railroad Passenger Corporation (Amtrak) issued the following news: * * * New Schedules Reflect Trip Time Improvements for up to 15 Minutes of Less Travel Time * * * Amtrak, in conjunction with the Vermont Agency of Transportation (VTRANS), New York State Department of Transportation (NYSDOT), and the Vermont Railway (VRS), has made operational improvements in its Ethan Allen Express service. This includes reducing trip times, providing more reliable service,   more