<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-11-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001854795</issuerCik>
        <issuerName>INTEGRATED RAIL &amp; RESOURCES ACQUISITION CORP</issuerName>
        <issuerTradingSymbol>IRRX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001892098</rptOwnerCik>
            <rptOwnerName>DHIP Natural Resources Investments, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INTEGRATED RAIL &amp; RESOURCES ACQ CORP</rptOwnerStreet1>
            <rptOwnerStreet2>6100 SOUTHWEST BOULEVARD, SUITE 320</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B common stock, par value $0.0001</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-11-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1515160</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A common stock, par value $0.0001</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1515160</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4234840</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">In connection with the closing of the initial public offering of Integrated Rail and Resources Acquisition Corp. (the &quot;Issuer&quot;), 1,515,160 shares of Class B common stock, par value $0.0001 (&quot;Class B Common Stock&quot;) held by DHIP Natural Resources Investments, LLC were cancelled in connection with the Issuer's issuance of the same number of shares of Class B Common Stock to its anchor investors. As a result, the Reporting Person now beneficially owns 4,234,840 shares of Class B Common Stock of the Issuer. Shares of Class B Common Stock will automatically convert into shares of the Issuer's Class A common stock at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights and have no expiration date, as described in the Issuer's registration statement as filed with the Securities and Exchange Commission (File No. 333-256381) under the heading &quot;Description of Securities - Founder Shares&quot;.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>DHIP Natural Resources Investments, LLC By:_/s/ Mark Michel Name: Mark Michel Title: Managing Partner</signatureName>
        <signatureDate>2022-03-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
