San Juan's main beach is largely a fishing and transit hub and the main surfing spots are a 20-minute drive away.

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As the train rounds the northwest corner, it passes the large transit hub of Ikebukuro, comparatively quiet Meijiro and the student haunt of Takadanobaba.

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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.

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The food, the shopping, the business center--even the impressive 70-foot sculpture depicting a story from Thai mythology that Vichai commissioned as the centerpiece to the international terminal--will help build Suvarnabhumi into a destination airport, the transit hub of choice for far-flung passengers.

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And it's apparently because policing especially in Guinea-Bissau, which is the weakest link, is so poor that these Latin American, South American drug cartels are using this region as a major transit hub to especially traffic cocaine as the drug of choice, and that's on to Europe.

NPR: West African Drug Trade, War of Words in Sudan

It is also well placed to be a transit and logistics hub for shipping Russian oil and gas onward to Asia and Asian-made goods deeper into Russia.

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In my hometown of Boston, it would be nearly impossible, due to the fact that I live in the suburbs and the transit system is based on the same hub-and-spoke system the airlines employ.

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If the transit agreements between Bangladesh and neighbouring countries are finalised, then Chittagong port has the potential to become a regional business hub.

BBC: Bangladesh pins hope on Chittagong port