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Interstate highways in the United States are designed so that one mile in every five is perfectly straight and flat to be used for emergency airstrips in case of war.
Interstate highways in the United States are designed so that one mile in every five is perfectly straight and flat to be used for emergency airstrips in case of war.
Interstate highways in the United States are designed so that one mile in every five is perfectly straight and flat to be used for emergency airstrips in case of war.