    <SEC-DOCUMENT>0000950170-23-007552-index.html : 20230313
    <SEC-HEADER>0000950170-23-007552.hdr.sgml : 20230313
    <ACCEPTANCE-DATETIME>20230313151954
    ACCESSION NUMBER:		0000950170-23-007552
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230313
    DATE AS OF CHANGE:		20230313
    EFFECTIVENESS DATE:		20230313

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MARTIN MARIETTA MATERIALS INC
    		CENTRAL INDEX KEY:			0000916076
    		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
    		IRS NUMBER:				561848578
    		STATE OF INCORPORATION:			NC
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12744
    		FILM NUMBER:		23727057

    	BUSINESS ADDRESS:
    		STREET 1:		4123 PARKLAKE AVE
    		CITY:			RALEIGH
    		STATE:			NC
    		ZIP:			27612
    		BUSINESS PHONE:		919-781-4550

    	MAIL ADDRESS:
    		STREET 1:		4123 PARKLAKE AVE
    		CITY:			RALEIGH
    		STATE:			NC
    		ZIP:			27612
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>2022_mlm_annual_report.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: 2022_mlm_annual_report.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>