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Transportation
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Importance Transportation accounts for 8.7% of US GDP
Value of US transportation assets - $7 trillion Employment 4.3 million people 9% of US civilians US Dept. of Transportation
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5 modes of transportation
Motor Carriers Railroads Air Carriers Water Carriers Pipelines
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Modes of transit Motor carrier Expensive Largest mode in terms of:
Most of the freight weight is moved by motor carriers Most used mode in the US Strengths Fast delivery Can go anywhere Delivers on time Items are secure Drawbacks Expensive
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Motor Carriers Carry most goods that we use for at least part of their journey. They are limited as to the size of items they can carry. They can literally go anywhere. Types of products they carry: food and consumer goods (electronics, clothing, cleaning supplies, etc.). Think about your local store – everything comes on a truck.
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Types of vehicles Line-haul vehicles City straight trucks
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Special vehicles Dry van Open top Flatbed
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Special vehicles Tank trailer Refrigerated vehicle
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Special vehicles High cube Liquefied gas Automobile
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Modes of transit Railroad Strengths Drawbacks
Largest mode in terms of distance and weight moved Strengths High ability to move anything Moderate speed Delivers items when promised Low cost Drawbacks Not everyplace has a railroad
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Railroads Generally ship bulk items such as coal, grain, gravel
Moves large bulky equipment Can move food but it needs to be items that are not particularly perishable as railroads take a long time to travel (speeds of around 20 to 40 mph) and a long time to unload.
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Modes of transit Air cargo carriers Strengths Drawbacks
Smallest mode in terms of weight moved Strengths Very fast Delivers on time Safely delivers items Drawbacks Very expensive Airports are not available everywhere
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Air Carriers Products can be carried only on planes that carry only cargo or it can be carried in the belly of a passenger plane. Most items shipped on planes are either very expensive so that the cost of air freight will not impact the demand for the products or of a time sensitive nature such as a perishable item like fresh fruit or flowers that need to be delivered quickly.
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Modes of transit Water Carriers Strengths Drawbacks
Divided into Ocean going, Coastal, Lake, and River (Inland) Segments Includes cruise industry Panama and Suez canals play important roles Strengths Low cost Can haul pretty much anything large and bulky Drawbacks Goods are not protected Very slow Not everyplace has access to a waterway
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Water Carriers Ocean going carriers can move consumer goods from manufacturers in China on container ships. In the US ships usually move petroleum, gravel, grain, and coal.
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Modes of transit Pipeline Strengths Drawbacks
3rd largest transportation mode in terms of freight movement behind Rail and Truck Strengths Very cheap Safe Delivers on time Drawbacks Generally only moves oil and natural gas Very slow (3 to 5 mph) Only located in certain parts of the country and can’t move around
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Intermodal transportation
Use of two or more modes of in the movement of freight from its origin to destination Ocean and Rail COFC (container on a flat car) Truck and Rail TOFC (trailer on a flat car)
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International importance
Rise in global trade for US businesses Imports Global outsourcing Exports US is world’s 2nd largest exporter of merchandise US is world’s largest exporter of commercial services Value of US foreign trade - $5.0 trillion
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