The document provides an earnings presentation for CSX Corporation's fourth quarter 2006 results. It summarizes that Surface Transportation produced record results for the quarter. Revenue increased 8% to $2.4 billion, a record for the fourth quarter. Price increases continued to drive revenue per unit growth. Merchandise revenue was up 9% and coal revenue increased 16% due to strong demand and pricing. Automotive revenue declined 7% due to production decreases. Intermodal revenue decreased 2% as international growth offset domestic declines. The outlook for the first quarter of 2007 is positive, with favorable conditions expected for several markets. GDP and industrial production are forecast to be around 2-3% for 2007-2008.