<SEC-DOCUMENT>0001127602-21-011790.txt : 20210323
<SEC-HEADER>0001127602-21-011790.hdr.sgml : 20210323
<ACCEPTANCE-DATETIME>20210323143024
ACCESSION NUMBER:		0001127602-21-011790
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210320
FILED AS OF DATE:		20210323
DATE AS OF CHANGE:		20210323

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Marshall Mariann Wojtkun
		CENTRAL INDEX KEY:			0001769279

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09518
		FILM NUMBER:		21764262

	MAIL ADDRESS:	
		STREET 1:		C/O THE PROGRESSIVE CORPORATION
		STREET 2:		6300 WILSON MILLS RD.
		CITY:			MAYFIELD VILLAGE
		STATE:			OH
		ZIP:			44143

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
</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>2021-03-20</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001769279</rptOwnerCik>
            <rptOwnerName>Marshall Mariann Wojtkun</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6300 WILSON MILLS RD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MAYFIELD VILLAGE</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44143</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Accounting Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-03-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1301</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1301</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3530.96</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each Restricted Stock Unit represents a contingent right to receive one Common Share of the Company's stock.</footnote>
        <footnote id="F2">These units will vest in three equal annual installments on each of January 16, 2024, January 21, 2025 and January 20, 2026, subject to earlier vesting or forfeiture in accordance with the plan and the award agreement.</footnote>
        <footnote id="F3">Expiration Date is the same as Date Exercisable.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Laurie F. Humphrey, By Power of Attorney</signatureName>
        <signatureDate>2021-03-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
