Productivity in transport has grown slower than in manufacturing for decades and the explanations all conflict.

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Transport and storage employ roughly one in ten workers in rich economies: what those jobs actually are. Ranking modes on cost per tonne-kilometre is the only fair comparison and almost nobody does it. Shipping carries about 80 percent of world trade by volume and that concentration is itself a supply chain risk. Transport is a derived demand: nobody wants the truck and everybody wants what is inside it. Why do transport industries consolidate into a handful of carriers and then break apart again? Why does moving a container inland cost more than moving it across an ocean? The world's busiest airports and what they reveal about global travel What makes a city bike-friendly? How do cities fight traffic congestion? How do tolls and congestion charges change driving habits?