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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,
 RCzLiEKvrteYhTUqnzrMrue1dSkN6ixRZM3DEZO6pW9jtW47dkfUaE0BgX7/WdpG
 hLJ9bg8D/EjymLuy7Y/YcQ==

<SEC-DOCUMENT>0001209191-03-013931.txt : 20030728
<SEC-HEADER>0001209191-03-013931.hdr.sgml : 20030728
<ACCEPTANCE-DATETIME>20030728130457
ACCESSION NUMBER:		0001209191-03-013931
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030728
FILED AS OF DATE:		20030728

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IMAGE SENSING SYSTEMS INC
		CENTRAL INDEX KEY:			0000943034
		STANDARD INDUSTRIAL CLASSIFICATION:	MEASURING & CONTROLLING DEVICES, NEC [3829]
		IRS NUMBER:				411519168
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 SPRUCE TREE CENTRE
		STREET 2:		1600 UNIVERSITY AVE
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55104-3825
		BUSINESS PHONE:		6516037700

	MAIL ADDRESS:	
		STREET 1:		500 SPRUCE TREE CENTRE
		STREET 2:		1600 UNIVERSITY AVE W.
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BILLOW MATS JOHAN
		CENTRAL INDEX KEY:			0001247535

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26056
		FILM NUMBER:		03805451

	MAIL ADDRESS:	
		STREET 1:		1600 UNIVERSITY AVENUE W. #500
		CITY:			ST. PAUL
		STATE:			MN
		ZIP:			55104
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-07-28</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000943034</issuerCik>
        <issuerName>IMAGE SENSING SYSTEMS INC</issuerName>
        <issuerTradingSymbol>isns</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001247535</rptOwnerCik>
            <rptOwnerName>BILLOW MATS JOHAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>500 SPRUCE TREE CENTRE</rptOwnerStreet1>
            <rptOwnerStreet2>1600 UNIVERSITY AVE. W.</rptOwnerStreet2>
            <rptOwnerCity>ST. PAUL</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Managing Director Subsidiary</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common stock</value></securityTitle><transactionDate><value>2003-07-25</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>15800</value></transactionShares><transactionPricePerShare><value>1.71</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>21800</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndire
ctOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Berkeley Development Ltd.</value><footnoteId id="F1" /></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common stock</value></securityTitle><transactionDate><value>2003-07-25</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>15800</value></transactionShares><transactionPricePerShare><value>7.77</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>6000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></di
rectOrIndirectOwnership><natureOfOwnership><value>Berkeley Development Ltd.</value><footnoteId id="F2" /></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Non-incentive stock option</value></securityTitle><conversionOrExercisePrice><value>1.71</value></conversionOrExercisePrice><transactionDate><value>2003-07-25</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>C</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionTotalValue><value>0</value></transactionTotalValue><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-04-15</value><footnoteId id="F3" /></exerciseDate><expirationDate><value>2013-04-15</value></expirationDate><underlyingSecurity><underlyingSecu
rityTitle><value>Common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>3300</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>37500</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Non-incentive stock option-variable</value></securityTitle><conversionOrExercisePrice><value>1.71</value></conversionOrExercisePrice><transactionDate><value>2003-07-25</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>C</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionTotalValue><value>0</value></transactionTotalValue><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value><
/transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-04-15</value><footnoteId id="F4" /></exerciseDate><expirationDate><value>2013-04-15</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>12500</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>37500</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">15,800 directly owned; 6,000 indirectly owned by Berkeley Development,Ltd</footnote><footnote id="F2">Indirectly owned by Berkeley Development, Limited</footnote><footnote id="F3">Non-incentive Stock Option; 12,500 exercisable on 04/15/2003, 12,500 exercisable on 04/15/2004, 12,500 exercisable on 04/15/2005 and 12,500 exercisabl
e on 04/15/2006
</footnote><footnote id="F4">Non-incentive Stock Option-variable; 12,500 exercisable on 04/15/2003, 12,500 exercisable on 04/15/2004, 12,500 exercisable on 04/15/2005 and 12,500 exercisable on 04/15/2006.  All options contingent on performance.
</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>Arthur J. Bourgeois, POA for
Mats Johan Billow</signatureName><signatureDate>2003-07-28</signatureDate></ownerSignature></ownershipDocument>

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