Interstate Highways in the Southeastern United States Map shows region composed of Florida, Georgia, Alabama, Mississippi, Tennessee, and South Carolina and parts of North Carolina, Louisiana, Arkansas, and Kentucky. Major cities, including Montgomery, Alabama Tallahassee, Florida Atlanta, Georgia Columbia, South Carolina Nashville, Tennessee and New Orleans, Louisiana, are shown. Interstate highways are shown. © National Atlas of the United States, January 2013 Which of the following negative externalities would most likely result from adding four new major highways, from north to south, on this map? Outsourcing of industry Increase in rail traffic Rise in air pollution Decrease in population