CSX CORP — Director's Dealing 2006

Oct 3, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CSX CORP (CSX)
CIK: 0000277948
Period of Report: 2006-09-29

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-09-29	Common Stock	M	13668	$16.0725	Acquired	87264	Direct
2006-09-29	Common Stock	S	13668	$33.00	Disposed	73596	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-09-29	Common Stock	$16.0725	M	13668	Disposed	2013-05-07	Common Stock (13668)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	33496	Indirect
Common Stock	6638.06	Indirect
Common Stock	3084.905	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.