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The Quad Cities in the U.S. state of Minnesota are Virginia, Eveleth, Gilbert, and Mountain Iron in the Arrowhead Region, overlapping the Iron Range region, Duluth MN-WI MSA, and Saint Louis County.[1]
U.S. Highway 53, U.S. Highway 169, State Highway 37 (MN 37), and State Highway 135 (MN 135) are four of the main routes in the Quad Cities.