    <SEC-DOCUMENT>0000277948-24-000024-index.html : 20240325
    <SEC-HEADER>0000277948-24-000024.hdr.sgml : 20240325
    <ACCEPTANCE-DATETIME>20240325151208
    ACCESSION NUMBER:		0000277948-24-000024
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20240325
    DATE AS OF CHANGE:		20240325
    EFFECTIVENESS DATE:		20240325

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CSX CORP
    		CENTRAL INDEX KEY:			0000277948
    		STANDARD INDUSTRIAL CLASSIFICATION:	RAILROADS, LINE-HAUL OPERATING [4011]
    		ORGANIZATION NAME:           	01 Energy & Transportation
    		IRS NUMBER:				621051971
    		STATE OF INCORPORATION:			VA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08022
    		FILM NUMBER:		24778872

    	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>ARS
    <SEQUENCE>1
    <FILENAME>csx2023annualreport.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: csx2023annualreport.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>