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 * Behring Alexandre   2. Issuer Name and Ticker or Trading Symbol CSX CORP [CSX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 600 THIRD AVENUE, 37TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 03/16/2009 (Street) NEW YORK, NY 10016 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 03/16/2009   A(1)   380.48 A $ 24.64 5,427.65 I By Trustee (2) Common Stock               1,871 D   Common Stock               17,232,854 I See Note (3)

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Behring Alexandre 600 THIRD AVENUE 37TH FLOOR NEW YORK, NY 10016	X

Signatures

/s/ Alexandre Behring		03/18/2009
**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)	Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the CSX Corporation Stock Plan for Directors. Receipt of the Common Stock has been defered until after the reporting person ceases to be a director.
(2)	By Trustee, CSX Corporation Stock Plan for Directors.
(3)	3G Capital Partners Ltd. ("3G Capital Ltd.") is the general partner of 3G Capital Partners, L.P. ("3G Capital L.P."), which is the sole member of 3G Fund Partners, Ltd. ("3G Fund Ltd."), which is the general partner of 3G Fund L.P ("3G Fund," and, together with 3G Capital Ltd., 3G Capital L.P. and 3G Fund Ltd., "3G Capital"). Mr. Behring is the Managing Director of 3G Capital Ltd. and is therefore in a position to determine the investment and voting decisions made by 3G Fund. Mr. Behring disclaims beneficial ownership of any and all securities held by 3G Fund except to the extent of his pecuniary interest therein. This report shall not be deemed an admission that Mr. Behring is the beneficial owner of any such securities for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, or for any other purpose.

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