High-speed trains remain few and far between, and even Warsaw airport's new terminal, opened this year, has been a saga of delays and money rows.

ECONOMIST: A survey of EU enlargement

The new terminal will create a centralized transit hub to link currently disconnected transportation networks in downtown Atlanta, including high-speed rail, commuter rail, streetcar, Greyhound, MARTA, pedestrians, cyclists and more.

WHITEHOUSE: The White House

LONDON, England (CNN) -- A system using fingerprint scanning and face recognition systems, designed to speed up passenger transit times and increase security, is beginning a trial at Heathrow airport's Terminal 3.

CNN: Heathrow tests biometrics