CSX's overall success was mirrored in its fourth quarter figures where revenues of $US 3bn, an operating income of $US 841m, and operating ratio of 71.5% drove earnings per share to a record high of $US 0.43 per share from $US 0.38 per share during the same period last year.

"CSX once again delivered record earnings per share while investing in resources to support high customer service levels and growth in the near and long-term," says Mr Michael J Ward, chairman, president and CEO. "Our performance in 2011 has set a strong foundation for growth, and CSX remains committed to achieving a 65% operating ratio by no later than 2015."