CSX CORP — Director's Dealing 2006

Sep 19, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CSX CORP (CSX)
CIK: 0000277948
Period of Report: 2006-09-15

Reporting Person: FITZSIMMONS ELLEN M (Senior Vice President - Law)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-09-15	Common Stock	M	5332	$20.8907	Acquired	78928	Direct
2006-09-15	Common Stock	S	5332	$32.65	Disposed	73596	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-09-15	Common Stock	$20.8907	M	2666	Disposed	2008-12-14	Common Stock (2666)	Direct
2006-09-15	Common Stock	$20.8907	M	2666	Disposed	2008-12-14	Common Stock (2666)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	33496	Indirect
Common Stock	6638.06	Indirect
Common Stock	3085.559	Indirect

Footnotes

F1: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 4, 2006.

F2: By Ellen M. Fitzsimmons, Trustee.

F3: By Trustee, CSX Corporation Executives Stock Trust .

F4: By Trustee, CSX Corporation Tax Savings Thrift Plan. Reflects equivalent shares of cash value held in CSX Stock Fund, which amounts will fluctuate dependent upon daily net asset value of the fund.

F5: Options were exercisable on Feb. 1, 2006 when price-related exercisability thresholds were met pursuant to the 1987 Long-Term Performance Stock Plan.

F6: Options were exercisable on April 18, 2006 when price-related exercisability thresholds were met pursuant to the 1987 Long-Term Performance Stock Plan.