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Transportation
Transport or transportation is the movement of people, animals and goods from one location to another. Modes of transport include air, rail, road, water, cable, pipeline and space. The field can be divided into infrastructure, vehicles and operations. Transport is important because it enables trade between people, which is essential for the development of civilizations. More...
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The state of infrastructure in the United States and the world, 2011
Source: JournalistsResource.orgWhat have we learned from 30 years of research on the productivity of public capital?
Source: JournalistsResource.orgChina’s high-speed-rail network and the development of second-tier cities
Source: JournalistsResource.orgFundamental law of road congestion: Evidence from U.S. cities
Source: JournalistsResource.org- Read more about Fundamental law of road congestion: Evidence from U.S. cities
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U.S. streets have been filled with traffic since the country’s founding — first with wagons and livestock and now with more than 250 million autos and trucks. Building more and wider roads can reduce congestion, but the benefits are generally temporary: Vehicles soon fill new lanes, and the cycle starts all over again. The massive highway boom after World War II did speed cross-country travel, but it also added suburban congestion to the list of pressing national problems.
Biofuels, energy security, the environment and human health: Research roundup
Source: JournalistsResource.orgReducing U.S. gas consumption: Plug-in hybrids versus charging infrastructure
Source: JournalistsResource.orgBikeshare systems: Recent research on their growth, users' demographics and their health and societal impacts
Source: JournalistsResource.orgElectric vehicles, battery technology and renewable energy: Research roundup
Source: JournalistsResource.orgHeavy cars and SUVs: The external costs of the vehicle-weight "arms race"
Source: JournalistsResource.org- Read more about Heavy cars and SUVs: The external costs of the vehicle-weight "arms race"
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U.S. highways swarm with vehicles of every size, from 1,800-pound economy cars to tractor-trailers that can reach 80,000 pounds. Until recently, passenger vehicles had been becoming increasingly heavy — between 1980 and 2006, average curb weight rose 26%.