EVANSTON, Ill. — All roads may lead to Rome, but some are much smoother than others. A new interactive map of the Roman Empire that includes roads, rivers and hundreds of sea routes allows users to calculate the travel time and costs for traversing the ancient empire. The project, called ORBIS, is allowing researchers to probe standing hypotheses and develop new ones concerning the economic, social, military and political dynamics of an empire that had a profound and enduring influence on western civilization.
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