This is the sixth article in our series, Moving the Masses, about managing the flow of crowds of individuals, be they drivers or pedestrians, shoppers or commuters, birds or ants. A major issue for ...

Getting on or off a four-lane highway is about to become a lot safer in many parts of the United States thanks to an innovative intersection design. Restricted Crossing U-turn intersections (RCUTs) ...

Anyone who has ever made a left turn in a busy intersection understands that it can be a stressful maneuver. Not only do you have to wait impatiently for a break in the stream of cars coming the ...