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Lecture 6 - 6.FreightTransport "commoncarriers" them 1....

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6. Freight Transport Issues in freight transport quite different to those of passenger auto. Specifically most freight is carried by "common carriers" that will hand any business given to  them. Economics and speed are distinctive elements. 1. Method of Freight transport Five modes: road(truck) rail air water pipeline a) Truck - Vehicles privately owned - Roads publicly owned - share roads with freight Trucks became dominant method of transport after since World war Two Replaced rail for inland transport Like automobile, trucks provide infinite mobility - pick-up/drop-off b) Rail Trains operate on private right-of-way Main method of inland movement until 1950s - road improvements/vehicle improvements Network shrunk since 1950s - no excess capacity left. Specialized cars for traffic-like trucks Automobile Liquids Granular Package Rail/Truck Comaprison4.  Truck faster/more flexible Rail cheaper/more energy efficient Example of shifting technological advantages between truck and rail
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Iceberg lettuce c) Air
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