In this March 22, 2014 picture, a crew member walks on a CSX freight train engine in Brunswick, Md. CSX Corp. reports quarterly earnings after the market close on Tuesday, April 15, 2014. (AP

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In this March 22, 2014 picture, a crew member walks on a CSX freight train engine in Brunswick, Md. CSX Corp. reports quarterly earnings after the market close on Tuesday, April 15, 2014. (AP Photo/Patrick Semansky)

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Associated Press
Wed, Apr 16, 2014 6:46 PM EDT