what are the acela stops?
['Boston, MA - South Station (BOS)', 'Boston, MA - Back Bay Station (BBY)', 'Route 128, MA (RTE)', 'Providence, RI - Amtrak/MTBA Station (PVD)', 'New London, CT - Union Station (NLC)', 'New Haven, CT - Union Station (NHV)', 'Stamford, CT (STM)', 'New York, NY - Penn Station (NYP)']