Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Eliasson Fredrik J
 2. Date of Event Requiring Statement (Month/Day/Year)
01/23/2012		 3. Issuer Name and Ticker or Trading Symbol
CSX CORP [CSX]
(Last)
(First)
(Middle)
500 WATER STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP & Chief Financial Officer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

JACKSONVILLE, FL 32202		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 79,271 (1) (2)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Option   (3) 05/07/2013 Common Stock 6,000 $ 5.3575 D  
Option   (3) 05/07/2013 Common Stock 6,000 $ 5.3575 D  
Option   (4) 02/13/2012 Common Stock 6,000 $ 6.3567 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Eliasson Fredrik J
500 WATER STREET
JACKSONVILLE, FL 32202		       EVP & Chief Financial Officer  

Signatures

/s/ Mark D. Austin, Attorney-in-Fact 02/01/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Amount of shares beneficially owned by the Reporting Person includes 6,306 restricted stock units, of which 3,021 vest on May 4, 2012, 1,791 vest on May 4, 2013, and 1,494 vest on May 2, 2014.
(2) Amount of shares beneficially owned by the Reporting Person includes 28,000 shares restricted stock, of which 9,600 vest on April 1, 2012, and 19,200 vest on April 1, 2013.
(3) The options became exercisable in three installments on May 7, 2006, May 7, 2007 and May 7, 2008.
(4) The options became exercisable in three installments on February 13, 2005, February 13, 2006 and February 13, 2007.

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