Jessica Hsu

The Mississippi River handles $7 billion in trade as one of the world's largest navigable inland waterways. A Midwestern drought has brought the river to water levels so low that they threaten to shut down shipping, reports John Schwartz.

Acela has improved connectivity along the Northeast Corridor, but is that actually a good thing? Aaron M. Renn argues that high-speed rail has actually hurt America by giving the finance industry a stranglehold over fiscal and monetary policies.

Can 250 high-def, touch-screen kiosks make New York City more user-friendly, personalized and safe?

Comparing wide versus narrow lanes, Kenneth A. Small and Chen Feng Ng examine the relatively unexplored design of building more compact roads to alleviate traffic congestion.

Flavie Halais cautions that urban development projects boosted by the 2014 World Cup and 2016 Olympic Games could threaten Rio de Janeiro's historic port.