<SEC-DOCUMENT>0001193125-17-130796-index.html : 20170420
<SEC-HEADER>0001193125-17-130796.hdr.sgml : 20170420
<ACCEPTANCE-DATETIME>20170420172456
ACCESSION NUMBER:		0001193125-17-130796
CONFORMED SUBMISSION TYPE:	DEFN14A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170605
FILED AS OF DATE:		20170420
DATE AS OF CHANGE:		20170420
EFFECTIVENESS DATE:		20170420

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:		DEFN14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08022
		FILM NUMBER:		17773683

	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:		DEFN14A

	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>DEFN14A
<SEQUENCE>1
<FILENAME>d366976ddefn14a.htm
<DESCRIPTION>DEFN14A
<TEXT>
Document 1 - file: d366976ddefn14a.htm

</DOCUMENT>
</SEC-DOCUMENT>