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Road transport is the most important mode of freight transportation in terms of transportation output in almost all countries in the world, in particular in Asia and the Pacific region. For many years, the dimensions of road vehicles for freight transport have remained fixed, although road infrastructure in many countries has improved considerably and technical progress in vehicles has made them safer, quieter and more powerful. However, a number of countries, including Australia, Brazil, Canada, Finland, Sweden and the United States of America, have successfully demonstrated the use of road vehicles with extended dimensions for freight transport. Longer combination vehicles or vehicles with extended length and weight limits have the potential to make freight transport more efficient and environmentally friendly. The objective of this paper is to analyze the economic implications of permitting the use of longer combination vehicles.

Road transport is the most important mode of freight transportation in terms of transportation output in almost all countries in the world, in particular in Asia and the Pacific region. For many years, the dimensions of road vehicles for freight transport have remained fixed, although road infrastructure in many countries has improved considerably and technical progress in vehicles has made them safer, quieter and more powerful. However, a number of countries, including Australia, Brazil, Canada, Finland, Sweden and the United States of America, have successfully demonstrated the use of road vehicles with extended dimensions for freight transport. Longer combination vehicles or vehicles with extended length and weight limits have the potential to make freight transport more efficient and environmentally friendly. The objective of this paper is to analyze the economic implications of permitting the use of longer combination vehicles.

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