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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,
 SIqfsYeX4FEbUdarjELn5CIOKZlCX2qYVfOGKveCde1YR6WduTVXQonQTPu3vrUj
 8Q77Kj6wP2MnYhMTmfL9Xg==

<SEC-DOCUMENT>0000881791-03-000050.txt : 20030805
<SEC-HEADER>0000881791-03-000050.hdr.sgml : 20030805
<ACCEPTANCE-DATETIME>20030805173135
ACCESSION NUMBER:		0000881791-03-000050
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030801
FILED AS OF DATE:		20030805

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			USF CORP
		CENTRAL INDEX KEY:			0000881791
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		IRS NUMBER:				363790696
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8550 W BRYN MAWR AVE
		STREET 2:		SUITE 700
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631
		BUSINESS PHONE:		773.824-1000

	MAIL ADDRESS:	
		STREET 1:		8550 W. BRYN MAWR AVE
		STREET 2:		SUITE 700
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	USFREIGHTWAYS CORP
		DATE OF NAME CHANGE:	19970410

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TNT FREIGHTWAYS CORP
		DATE OF NAME CHANGE:	19930328

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WEAVER WILLIAM N JR
		CENTRAL INDEX KEY:			0001198414

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19791
		FILM NUMBER:		03824580

	BUSINESS ADDRESS:	
		STREET 1:		8550 W BRYN MAWR STE 700
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631
		BUSINESS PHONE:		7738241000

	MAIL ADDRESS:	
		STREET 1:		8550 W BRYN MAWR STE 700
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001198414d20030805f4s2f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-08-01</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000881791</issuerCik><issuerName>USF CORP</issuerName>        <issuerTradingSymbol>USFC</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001198414</rptOwnerCik><rptOwnerName>WEAVER WILLIAM N JR</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>30 SOUTH WACKER DRIVE</rptOwnerStreet1><rptOwnerStreet2>29TH FLOOR</rptOwnerStreet2><rptOwnerCity>CHICAGO</rptOwnerCity><rptOwnerState>IL</rptOwnerState><rptOwnerZipCode>606067484</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTab
le><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-08-01</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>4038</value></transactionShares><transactionPricePerShare><value>19.625</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4038</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivat
iveTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-08-01</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>1556</value></transactionShares><transactionPricePerShare><value>23.75</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5594</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction>
<securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-08-01</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>5594</value></transactionShares><transactionPricePerShare><value>30.4749</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeHolding><securityTitle><valu
e>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1240</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Sachnoff &amp; Weaver, Ltd.</value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Stock Options (Right to buy)</value><footnoteId id="F2"/></securityTitle><conversionOrExercisePrice><value>19.625</value></conversionOrExercisePrice><transactionDate><value>2003-08-01</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>4038</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePer
Share><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1997-07-18</value><footnoteId id="F3"/></exerciseDate><expirationDate><value>2006-07-18</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>4038</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1822</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value><footnoteId id="F2"/></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Stock Options (Right to buy)</value><footnoteId id="F2"/></securityTitle><conversionOrExercisePrice><value>23.75</value></conversionOrExercisePrice><transactionDate><value>2003-08-01</value></transactionD
ate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>1556</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1996-04-28</value><footnoteId id="F4"/></exerciseDate><expirationDate><value>2005-04-28</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1556</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>737</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value><footnoteId id="F2"/></directOrIndirectOwnersh
ip><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Mr. Weaver disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.  The inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or any other purpose.</footnote><footnote id="F2">Mr. Weaver is a stockholder of Sachnoff &amp; Weaver, Ltd., which beneficially owns shares subject to various stock options.  Mr. Weaver disclaims beneficial ownership of all but his allocated portion of the shares covered by the options.</footnote><footnote id="F3">The option became exercisable in five equal annual installments beginning on July 18, 1997.</footnote><footnote id="F4">The option became exercisable in five equal annual installments beginning on April 28, 1996.</footnote></footnotes><ownerSignature><signatureName>Richard C. Pagan
o/Dora Travaglio</signatureName><signatureDate>2003-08-05</signatureDate></ownerSignature></ownershipDocument>

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</DOCUMENT>
</SEC-DOCUMENT>
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