COLUMBUS, Ohio — As Columbus continues to expand, so do the traffic headaches facing drivers across Central Ohio. A new report from ConsumerAffairs ranks Columbus 39th in the nation for traffic congestion, placing it alongside other growing metropolitan areas such as Louisville, Milwaukee and Salt Lake City. According to the study, drivers spend an average of just under two and a half hours each weekday dealing with traffic congestion. For many Columbus commuters, the ranking comes as no surprise.