trans_sys_chap19

trans_sys_chap19 - Introduction to Transportation Systems 1...

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Introduction to Transportation Systems 1
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PART II: FREIGHT TRANSPORTATION 2
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Chapter 19: Trucking 3
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Trucking ± Publicly-Owned Infrastructure (usually) ± Truck and rail differ in right-of-way technology. The railroads are steel-wheel on steel-rail; the highways are rubber tires on concrete or asphalt. ± In trucking we use internal combustion or diesel engines; in railroads, we use electric or diesel power. ± In railroads, we have rail cars that are unpowered, pulled in trains of multiple vehicles by locomotives. Trucks have “tractors” which usually pull a single trailer, but sometimes “tandem-trailers”. 4
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Trucking Cost Structure Unlike railroads, the motor-carrier industry tends to be primarily a variable-cost rather than a fixed- cost industry. This is not surprising, given the fact that they do not own their own right-of-way. 5
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Truckload Operation (TL) ± A trucker is in the business of providing and driving a truck to take your goods from point A to point B. You, in effect, rent the
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This note was uploaded on 12/06/2011 for the course ESD 1.221j taught by Professor Josephsussman during the Fall '04 term at MIT.

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trans_sys_chap19 - Introduction to Transportation Systems 1...

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