Efficient transportation is key to both economic prosperity and quality of life in the 21st century. Here are 35 of today’s best design solutions—from Philadelphia International Airport to the Fulton Street interchange in New York’s subway system, from an innovative U.S. border station to Yokohama’s futuristic ferry terminal. These copiously illustrated case studies, together with essays exploring the larger architectural issues, are must reading for everyone concerned with building a more livable future.