    <SEC-DOCUMENT>0000914121-17-000524-index.html : 20170421
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    <ACCEPTANCE-DATETIME>20170421161152
    ACCESSION NUMBER:		0000914121-17-000524
    CONFORMED SUBMISSION TYPE:	DFAN14A
    PUBLIC DOCUMENT COUNT:		20
    FILED AS OF DATE:		20170421
    DATE AS OF CHANGE:		20170421
    EFFECTIVENESS DATE:		20170421

    SUBJECT COMPANY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CSX CORP
    		CENTRAL INDEX KEY:			0000277948
    		STANDARD INDUSTRIAL CLASSIFICATION:	RAILROADS, LINE-HAUL OPERATING [4011]
    		IRS NUMBER:				621051971
    		STATE OF INCORPORATION:			VA
    		FISCAL YEAR END:			1225

    	FILING VALUES:
    		FORM TYPE:		DFAN14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08022
    		FILM NUMBER:		17776032

    	BUSINESS ADDRESS:
    		STREET 1:		500 WATER STREET
    		STREET 2:		15TH FLOOR
    		CITY:			JACKSONVILLE
    		STATE:			FL
    		ZIP:			32202
    		BUSINESS PHONE:		9043593200

    	MAIL ADDRESS:
    		STREET 1:		500 WATER STREET
    		STREET 2:		15TH FLOOR
    		CITY:			JACKSONVILLE
    		STATE:			FL
    		ZIP:			32202

    FILED BY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Mantle Ridge LP
    		CENTRAL INDEX KEY:			0001695459
    		IRS NUMBER:				813048123
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DFAN14A

    	BUSINESS ADDRESS:
    		STREET 1:		900 THIRD AVENUE, 11TH FLOOR
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10022
    		BUSINESS PHONE:		646-762-8540

    	MAIL ADDRESS:
    		STREET 1:		900 THIRD AVENUE, 11TH FLOOR
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10022
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DFAN14A
    <SEQUENCE>1
    <FILENAME>ma36879173-dfan14a.htm
    <DESCRIPTION>SCHEDULE 14A
    <TEXT>
    Document 1 - file: ma36879173-dfan14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>image1.jpg
    <TEXT>
    Document 2 - file: image1.jpg

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    <SEQUENCE>3
    <FILENAME>image5.jpg
    <TEXT>
    Document 3 - file: image5.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>image6.jpg
    <TEXT>
    Document 4 - file: image6.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image7.jpg
    <TEXT>
    Document 5 - file: image7.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>image8.jpg
    <TEXT>
    Document 6 - file: image8.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image9.jpg
    <TEXT>
    Document 7 - file: image9.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>image10.jpg
    <TEXT>
    Document 8 - file: image10.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>image11.jpg
    <TEXT>
    Document 9 - file: image11.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>image12.jpg
    <TEXT>
    Document 10 - file: image12.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>image14.jpg
    <TEXT>
    Document 11 - file: image14.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>image15.jpg
    <TEXT>
    Document 12 - file: image15.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>image16.jpg
    <TEXT>
    Document 13 - file: image16.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>image-2.jpg
    <TEXT>
    Document 14 - file: image-2.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>image-04.jpg
    <TEXT>
    Document 15 - file: image-04.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>image-4.jpg
    <TEXT>
    Document 16 - file: image-4.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>image-10.jpg
    <TEXT>
    Document 17 - file: image-10.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>image-15.jpg
    <TEXT>
    Document 18 - file: image-15.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>image-17.jpg
    <TEXT>
    Document 19 - file: image-17.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>image-18.jpg
    <TEXT>
    Document 20 - file: image-18.jpg

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