<SEC-DOCUMENT>0000277948-21-000032-index.html : 20210628
<SEC-HEADER>0000277948-21-000032.hdr.sgml : 20210628
<ACCEPTANCE-DATETIME>20210628170148
ACCESSION NUMBER:		0000277948-21-000032
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210628
DATE AS OF CHANGE:		20210628

FILER:

	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:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08022
		FILM NUMBER:		211054338

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>capbldr2020.htm
<DESCRIPTION>2020 FORM 11-K CSX CORP CAP BLDR PLAN
<TEXT>
Document 1 - file: capbldr2020.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>capbldr2020ex23.htm
<DESCRIPTION>2020 EXHIBIT 23 CAPITAL BUILDER PLAN
<TEXT>
Document 2 - file: capbldr2020ex23.htm

</DOCUMENT>
</SEC-DOCUMENT>