MIT 1 201J - Freight Demand (72 pages)

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Freight Demand



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Freight Demand

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Lecture Notes


Pages:
72
School:
Massachusetts Institute of Technology
Course:
1 201j - Transportation Systems Analysis: Demand and Economics

Unformatted text preview:

Freight Demand Moshe Ben Akiva 1 201 11 545 ESD 210 Transportation Systems Analysis Demand Economics Fall 2008 Outline Background Volumes Types Econometric Indicators Freight demand modeling Framework Logistics choices Model system Trends and Summary Appendices Extensions Activity Systems Model System 2 Major Types of Freight Bulk Coal Oil Gas Ores Minerals Sand and Gravel Agricultural General Merchandise Supermarket grocery Specialized Freight Automobile Chemicals Small Package 3 Bulk Commodity Characteristics Cheap Vast quantities Transport cost is a major concern Relevant Modes Rail unit train and multi car shipments Heavy truck Barge and specialized ships Pipeline 4 General Merchandise Commodity characteristics Higher value Greater diversity of commodities Many more shippers and receivers Logistics costs are as important as transport costs Relevant Modes Rail general service freight car Intermodal Truckload LTL Less than Truckload 5 Specialized Freight Commodity Characteristics Large volumes relatively few customers Specialized requirements to reduce risk of loss and damage High value can afford special treatment Relevant Modes Specialized rail multi levels tank cars heavy duty flats Specialized trucks auto carriers tank trucks moving vans Air freight 6 Small Package Commodity Characteristics Very high value Logistics costs are more important than transport costs Deliveries to small businesses or consumers Relevant Modes LTL Small packages services Express services Air freight 7 Growth in US Domestic Freight Ton Miles by Mode 1996 2005 SOURCE U S Department of Transportation Research and Innovative Technology Administration Bureau of Transportation Statistics BTS Special Report A Decade of Growth in Domestic Freight Table 1 July 2007 8 Freight Demand Freight transport demand is a derived demand Related to the volumes of goods produced and consumed Location of suppliers and consumers is critical Freight flows shift with New sources of and uses for materials New



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