    <SEC-DOCUMENT>0001193125-21-099193-index.html : 20210330
    <SEC-HEADER>0001193125-21-099193.hdr.sgml : 20210330
    <ACCEPTANCE-DATETIME>20210330081400
    ACCESSION NUMBER:		0001193125-21-099193
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		8
    CONFORMED PERIOD OF REPORT:	20210512
    FILED AS OF DATE:		20210330
    DATE AS OF CHANGE:		20210330

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			LANDSTAR SYSTEM INC
    		CENTRAL INDEX KEY:			0000853816
    		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
    		IRS NUMBER:				061313069
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1228

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-21238
    		FILM NUMBER:		21783721

    	BUSINESS ADDRESS:
    		STREET 1:		13410 SUTTON PARK DRIVE SOUTH
    		CITY:			JACKSONVILLE
    		STATE:			FL
    		ZIP:			32224
    		BUSINESS PHONE:		9043901224

    	MAIL ADDRESS:
    		STREET 1:		LANDSTAR SYSTEM INC
    		STREET 2:		13410 SUTTON PARK DRIVE SOUTH
    		CITY:			JACKSONVILLE
    		STATE:			FL
    		ZIP:			32224
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d56418ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d56418ddef14a.htm

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    <SEQUENCE>2
    <FILENAME>g56418g16o73.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g56418g16o73.jpg

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    <DOCUMENT>
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    <SEQUENCE>3
    <FILENAME>g56418g93k65.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g56418g93k65.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g56418g97q48.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g56418g97q48.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g56418naa_1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g56418naa_1.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g56418naa_2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g56418naa_2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g56418pc_1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g56418pc_1.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g56418pc_2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g56418pc_2.jpg

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    </SEC-DOCUMENT>