Item 7.01. Regulation FD Disclosure.

On October 31, 2008, CSX Corporation announced the results of the October 30, 2008 purchase option under its Zero Coupon Convertible Debentures due October 30, 2021. CSX purchased $8,000.00 aggregate principal amount at maturity of the debentures, which had been validly tendered and not withdrawn as of the close of business on October 28, 2008, for an aggregate cash consideration of $7103.52. As a result, $31,493,000 aggregate principal amount at maturity of the debentures remain outstanding.

A copy of the press release announcing the results of the purchase option is furnished with this report as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits. The following exhibit is furnished as part of this report.

99.1 Press Release dated October 31, 2008

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