Expanded rail service for Springfield, Holyoke, Northampton and Greenfield may begin Aug. 30; test trains running overnight this week
SPRINGFIELD — Daily passenger train service between the city’s Union Station, Holyoke, Northampton and Greenfield could begin as soon as Aug. 30. But the start date could be pushed back depending on results of passengerless nighttime test runs Amtrak is making from Springfield to Greenfield along the Knowledge Corridor line this week, according to the Massachusetts Department…