Society of civil engineers gives Minneapolis low grades for transportation infrastructure . Air travel infrastructure overhaul is long overdue , while traffic increased by 25 percent 2009 . millions of all American have no access to commuter buses or trains . Navigable waterways get a D minus from the civil engineers . The longer these problems go unaddressed , the worse they grow .
Society of civil engineers gives Minneapolis low grades for transportation infrastructure . Air travel infrastructure overhaul is long overdue , while traffic increased by 25 percent 2009 . millions of all American have no access to commuter buses or trains . The longer these problems go unaddressed , the worse they grow .