Motor carriers (or trucks) are the most flexible mode of transportation and, as shown onTable 9.1, account for almost one-third of all U.S. for-hire transportation expenditures.Motor carriage offers door-to-door service, local pickup and delivery and small as well aslarge shipment hauling. It has very low fixed and variable costs and can compete favorablywith rail and air carriers for short to medium hauls (distances shorter than 1,000 miles) andis still competitive with other forms of transportation for long cross-country shipments,particularly if there are multiple delivery destinations. Motor carriers can also offer a varietyof specialized services from refrigerated, to livestock, to automobile hauling.
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