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When society has attained a high degree of industry and wealth, so many persons and goods are set in motion for the purpose of administering to its business and its luxuries, that the construction of public roads in such a manner as to admit of safe and rapid transport, and of the reduction of the cost of carriage to the lowest possible amount, becomes matter of the greatest importance.

To explain how these objects may be best secured is the purpose of the following pages.

The measures necessary for affording the means of travelling with rapidity and safety, and of transporting goods at low rates of carriage, form an essential part of the domestic arrangements of every people. Roads are, in point of fact, necessary ingredients in the first change that every rude

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