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A common property-carrying commercial vehicle in the United States is the tractor-trailer, also known as an "18-wheeler" or "semi".. The trucking industry serves the American economy by transporting large quantities of raw materials, works in process, and finished goods over land—typically from manufacturing plants to retail distribution centers.
2009-06-12 20:42 DavidLevinson 1240×1753× (4726318 bytes) Fundamentals of Transportation wikibook in .pdf format, June 10, 2009 version; 2008-07-23 18:02 DavidLevinson 1239×1650× (1394112 bytes) Fundamentals of Transportation wikibook combined into a single .pdf as of July 23, 2008 (will be periodically updated).
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The Global Industry Classification Standard (GICS) lists transport below the industrials sector. The sector consists of several industries including logistics and air freight or airlines, marine, road and rail, and their respective infrastructures. Entire stock market indexes focus on the sector, like the Dow Jones Transportation Index (DJTA).
Starting in 1910, the development of a number of technologies gave rise to the modern trucking industry. With the advent of the gasoline-powered internal combustion engine, improvements in transmissions, the move away from chain drives to gear drives, and the development of the tractor/semi-trailer combination, shipping by truck gained in popularity. [1]
When the US Interstate Highway System expanded in the 1950s, the trucking industry took over a large market share of goods transportation, which had previously relied primarily on railroads. The Interstate Highway System allowed merchandise to travel door to door from a distribution center in one area to a distribution center in another area ...
Trucking companies of the United States (1 C, 56 P, 1 F) Pages in category "Trucking industry in the United States" The following 37 pages are in this category, out of 37 total.
Classification is based on an evaluation of four transportation characteristics: density, stowability, handling and risk or liability. Together, these characteristics establish a commodity's "transportability." [2]