Parcel and courier delivery vehicles are often blamed for traffic congestion in our cities. But they're only a fraction of the traffic caused by tradespeople and other services.
Academic rigor, journalistic flair
Articles on Transportation policy
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Rail advocates often make the case that trains are a cleaner mode of transportation, but why is that so? And what would it take to expand rail in the U.S.?
US cities were designed and engineered around cars. Now some are working to increase walking and biking, but the shift isn't easy.
Top contributors
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Executive Director of the Center for Railway Research and Education, Michigan State University
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Sustainable Logistics Researcher, Vienna University of Economics and Business
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John Rennie Short is a Friend of The Conversation.
Professor, School of Public Policy, University of Maryland, Baltimore County
