FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * HAULTER ROBERT J   2. Issuer Name and Ticker or Trading Symbol CSX CORP [CSX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP-Human Resources&Labor Rel (Last) (First) (Middle) CSX CORPORATION, 500 WATER STREET, 15TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 09/12/2005 (Street) JACKSONVILLE, FL 32202 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/12/2005   M(1)   7,500 A $ 25.2813 8,451.9686 D   Common Stock 09/12/2005   S(1)   5,403 D $ 45.28 3,048.9686 D   Common Stock               952.1783 I 401(k) (2) Common Stock               128.0477 I Executive Deferred Compensation Plan (3) Common Stock               240.88 I Executives Stock Trust (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option

$ 25.2813 (5)

09/12/2005

M

7,500

(5)

02/09/2010

Common stock

7,500

(6)

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HAULTER ROBERT J CSX CORPORATION 500 WATER STREET, 15TH FLOOR JACKSONVILLE, FL 32202			SVP-Human Resources&Labor Rel

Signatures

Robert J. Haulter by Gordon F. Bailey, III, Attorney in Fact		09/12/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2005.
(2)	By Trustee, CSX Tax Savings Thrift Plan.
(3)	By Trustee, CSX Corporation Executives Stock Trust.
(4)	By Trustee, CSX Executives Stock Trust.
(5)	Options became exercisable in one-third increments on February 13 in each of years 2002, 2003 and 2004.
(6)	Cashless exercise of stock options pursuant to the Rule 10b5-1 trading plan referenced in Note 1.

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