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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,
 Wr2xhqZHXqLEtvrdwkjzc8v7BrRzP35VU8oZAgWclp/gqBIqa370+JArhJoBKkoA
 I5qy8lXHKaWP3W7zX2soEQ==

<SEC-DOCUMENT>0000881791-04-000006.txt : 20040114
<SEC-HEADER>0000881791-04-000006.hdr.sgml : 20040114
<ACCEPTANCE-DATETIME>20040114185127
ACCESSION NUMBER:		0000881791-04-000006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040112
FILED AS OF DATE:		20040114

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LISKA PAUL J
		CENTRAL INDEX KEY:			0001200236

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19791
		FILM NUMBER:		04525926

	MAIL ADDRESS:	
		STREET 1:		3333 BEVERLY ROAD
		STREET 2:		B6 277A
		CITY:			HOFFMAN ESTATES
		STATE:			IL
		ZIP:			60179

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001200236d20040114f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2004-01-12</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000881791</issuerCik><issuerName>USF CORP</issuerName>        <issuerTradingSymbol>USFC</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001200236</rptOwnerCik><rptOwnerName>LISKA PAUL J</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>20 S. WYNSTONE DRIVE</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>N. BARRIGTON</rptOwnerCity><rptOwnerState>IL</rptOwnerState><rptOwnerZipCode>60010</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivative
Transaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2004-01-12</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>273</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>914</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeHolding
><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>33.42</value></conversionOrExercisePrice><exerciseDate><value>2004-12-12</value></exerciseDate><expirationDate><value>2013-12-12</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><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes></footnotes><ownerSignature><signatureName>Richard C. Pagano/Dora Travaglio</signatureName><signatureDate>2004-01-14</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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