Acela Express is the flagship service of what major transportation hub in Newark, new Jersey?
Pennsylvania Station (Newark): Pennsylvania Station (also known as Newark Penn Station) is a major transportation hub in Newark, New Jersey. Pennsylvania Station (Newark):  The rail carriers include Newark Light Rail, New Jersey Transit (3 commuter rail lines), the PATH rapid transit system to Manhattan, and Amtrak (11 lines including the Acela Express). Acela Express: The Acela Express ( ; colloquially abbreviated to Acela) is Amtrak's flagship service along the Northeast Corridor (NEC) in the Northeast United States between Washington, D.C. and Boston via 14 intermediate stops including Baltimore, Philadelphia, and New York City.
Pennsylvania Station