Amtrak says its Acela Express and Northeast Regional Service between New York and New Haven are indefinitely suspended.

WSJ: How the Conn. train crash will affect commuters

ExpressJet, which bills itself as the world's largest regional airline, operates as a United Express partner from United's Newark hub.

WSJ: 2 airplanes about to take off clip at NJ airport

American Express and Citibank are already running regional call-centres in Australia, and banks such as Chase Manhattan and State Street have placed their regional custody operations there.

ECONOMIST: Australian financial markets

Their knowledge and techniques express community identity, reinforce social bonds, and build stronger local, regional and national identities.

UNESCO: Culture