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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Ucs4PBOvQspDmMpG6r1TCczjCZgvJuC59okpsKxLTFuGoUFpKKvMw6CVeQk0/62E
 GPW4nPNjR45GyTMWBf2L7g==

<SEC-DOCUMENT>0000863557-03-000002.txt : 20030529
<SEC-HEADER>0000863557-03-000002.hdr.sgml : 20030529
<ACCEPTANCE-DATETIME>20030529143421
ACCESSION NUMBER:		0000863557-03-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030522
FILED AS OF DATE:		20030529

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SWIFT TRANSPORTATION CO INC
		CENTRAL INDEX KEY:			0000863557
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		IRS NUMBER:				860666860
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2200 SOUTH 75TH AVENUE
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85043
		BUSINESS PHONE:		6022699700

	MAIL ADDRESS:	
		STREET 1:		2200 SOUTH 75TH AVENUE
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85043

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JENSEN DALE M
		CENTRAL INDEX KEY:			0001054881

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18605
		FILM NUMBER:		03723231

	BUSINESS ADDRESS:	
		STREET 1:		9800 E DYNAMITE RD
		STREET 2:		STE 229
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85255
		BUSINESS PHONE:		6025638577

	MAIL ADDRESS:	
		STREET 1:		9800 E DYNAMITE RD
		STREET 2:		STE 229
		CITY:			SCOTTSDALE
		STATE:			AZ
		ZIP:			85255
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-05-22</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000863557</issuerCik>
        <issuerName>SWIFT TRANSPORTATION CO INC</issuerName>
        <issuerTradingSymbol>SWFT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001054881</rptOwnerCik>
            <rptOwnerName>JENSEN DALE M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeSecurity>
        <securityTitle>
            <value>Nonqualified Stock Option</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>15.81</value>
        </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-05-22</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>J</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>5000</value>
            </transactionShares>
            <transactionValue>
                <value>15.81</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>2003-05-22</value>
            <footnoteId id="F1"/>
        </exerciseDate>
        <expirationDate>
            <value>2009-05-22</value>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>5000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>5000</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">Options granted pursuant to the Company's Non-Employee Stock Option Plan.  1,000 options vest on the award date and 1,000 options vest on each of the next four anniversaries of the award date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Dale M. Jensen</signatureName>
        <signatureDate>2003-05-29</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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