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 the value of lands only one dollar per acre, the gain to the state by the improvement of all the roads would be twenty-five million dollars. Yet this is an inconceivably low estimate; lands upon improved roads advance in value from four to twenty dollars per acre. Virginia could therefore expect a benefit from improved highways of at least one hundred million dollars—more than enough to improve her roads many times over. Indeed this matter of the increase in value of land occasioned by good roads can hardly be overestimated. Near all of our large towns and cities the land will advance until it is worth per foot what it was formerly worth per acre. Take Mecklenburg County, North Carolina. Beginning in 1880 to macadamize three or four miles of road a year with an annual fund of $10,000, the county now has over a hundred miles of splendid roads; the county seat has increased in population from 5,000 to 30,000. "I know of a thirty-acre farm," said President Barringer of the University of Virginia, a native of that county, "that cost ten dollars an acre, and forty-six dollars an acre has been refused