<SEC-DOCUMENT>0001127602-15-013002.txt : 20150401
<SEC-HEADER>0001127602-15-013002.hdr.sgml : 20150401
<ACCEPTANCE-DATETIME>20150401095857
ACCESSION NUMBER:		0001127602-15-013002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150330
FILED AS OF DATE:		20150401
DATE AS OF CHANGE:		20150401

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PROGRESSIVE CORP/OH/
		CENTRAL INDEX KEY:			0000080661
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				340963169
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6300 WILSON MILLS RD
		CITY:			MAYFIELD VILLAGE
		STATE:			OH
		ZIP:			44143
		BUSINESS PHONE:		4404615000

	MAIL ADDRESS:	
		STREET 1:		6300 WILSON MILLS RD
		CITY:			MAYFIELD VILLAGE
		STATE:			OH
		ZIP:			44143

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CODY WILLIAM M
		CENTRAL INDEX KEY:			0001218679

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09518
		FILM NUMBER:		15741590

	MAIL ADDRESS:	
		STREET 1:		6300 WILSON MILLS
		CITY:			MAYFIELD
		STATE:			OH
		ZIP:			44143
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-03-30</periodOfReport>

    <issuer>
        <issuerCik>0000080661</issuerCik>
        <issuerName>PROGRESSIVE CORP/OH/</issuerName>
        <issuerTradingSymbol>PGR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001218679</rptOwnerCik>
            <rptOwnerName>CODY WILLIAM M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6300 WILSON MILLS ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MAYFIELD VILLAGE</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44143</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Investment Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common</value>
            </securityTitle>
            <transactionDate>
                <value>2015-03-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>45000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.3357</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>134453.163</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Deferred Comp Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2015-03-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>I</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10198.096</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.4551</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10198.096</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60173.858</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is the weighted average price.  These shares were sold in multiple transactions at prices ranging from $27.29 to $27.385, inclusive.  The reporting person undertakes to provide to The Progressive Corporation, any security holder of The Progressive Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Footnote 1.</footnote>
        <footnote id="F2">1 for 1</footnote>
        <footnote id="F3">As permitted by the applicable deferral plan, the reporting person transferred a portion of the value of his deferred compensation units that were invested in the Progressive stock fund (phantom stock units) into an alternative investment vehicle within the deferral plan.</footnote>
        <footnote id="F4">Expiration Date is the same as the Date Exercisable.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ David M. Coffey, By Power of Attorney</signatureName>
        <signatureDate>2015-04-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
