-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 W2QGmEmbK+oh52aJtrGYtlP8SiktgoCi4avWN5NxOjzOLh7Os0E3ZT9GaEY4ffgb
 UzgBImLRh4NkWl4UUdPwTg==

<SEC-DOCUMENT>0000908662-10-000140.txt : 20100524
<SEC-HEADER>0000908662-10-000140.hdr.sgml : 20100524
<ACCEPTANCE-DATETIME>20100524163609
ACCESSION NUMBER:		0000908662-10-000140
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100520
FILED AS OF DATE:		20100524
DATE AS OF CHANGE:		20100524

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LAMAR ADVERTISING CO/NEW
		CENTRAL INDEX KEY:			0001090425
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING AGENCIES [7311]
		IRS NUMBER:				721449411
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		C/O LAMAR ADVERTISING COMPANY
		STREET 2:		5551 CORPORATE BOULEVARD
		CITY:			BATON ROUGE
		STATE:			LA
		ZIP:			70808
		BUSINESS PHONE:		2259261000

	MAIL ADDRESS:	
		STREET 1:		C/O LAMAR ADVERTISING COMPANY
		STREET 2:		5551 CORPORATE BOULEVARD
		CITY:			BATON ROUGE
		STATE:			LA
		ZIP:			70808

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LAMAR NEW HOLDING CO
		DATE OF NAME CHANGE:	19990716

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MUMBLOW STEPHEN P
		CENTRAL INDEX KEY:			0001214781

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30242
		FILM NUMBER:		10854309

	MAIL ADDRESS:	
		STREET 1:		790 TOWNSHIP LINE ROAD
		CITY:			YARDLEY
		STATE:			PA
		ZIP:			19067
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-05-20</periodOfReport>

    <issuer>
        <issuerCik>0001090425</issuerCik>
        <issuerName>LAMAR ADVERTISING CO/NEW</issuerName>
        <issuerTradingSymbol>LAMR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001214781</rptOwnerCik>
            <rptOwnerName>MUMBLOW STEPHEN P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LAMAR ADVERTISING COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>5551 CORPORATE BOULEVARD</rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70808</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1895</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9550</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ James McIlwain, as attorney-in-fact</signatureName>
        <signatureDate>2010-05-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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