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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Mn6tB02GvUS1bsNhJMe0D6PYWsbDSJtMMlaG9vbykisPWlswXU0yPmk/2H7l+0+p
 0mMrvKFI1pCWBAnFnPVzjA==

<SEC-DOCUMENT>0000891839-03-000068.txt : 20030915
<SEC-HEADER>0000891839-03-000068.hdr.sgml : 20030915
<ACCEPTANCE-DATETIME>20030915182606
ACCESSION NUMBER:		0000891839-03-000068
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030731
FILED AS OF DATE:		20030915

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HARRIS ALAN R
		CENTRAL INDEX KEY:			0001241523

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31456
		FILM NUMBER:		03896489

	BUSINESS ADDRESS:	
		STREET 1:		66 FIELD POINT ROAD
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		20362937222

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GENESEE & WYOMING INC
		CENTRAL INDEX KEY:			0001012620
		STANDARD INDUSTRIAL CLASSIFICATION:	RAILROADS, LINE-HAUL OPERATING [4011]
		IRS NUMBER:				060984624
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		66 FIELD POINT ROAD
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		2036293722

	MAIL ADDRESS:	
		STREET 1:		66 FIELD POINT ROAD
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-07-31</periodOfReport>
    <issuer>
        <issuerCik>0001012620</issuerCik>
        <issuerName>GENESEE &amp; WYOMING INC</issuerName>
        <issuerTradingSymbol>GWR</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001241523</rptOwnerCik>
            <rptOwnerName>HARRIS ALAN R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GENESEE &amp; WYOMING INC.</rptOwnerStreet1>
            <rptOwnerStreet2>66 FIELD POINT ROAD</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Sr VP-Chief Accounting Officer</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeHolding><securityTitle><value>Class A Common Stock, $.01 par value</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>11250</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock, $.01 par value</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value><footnoteId id="F1"/></directOrIndirectOwnership><natureOfOwnership><valu
e/></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>3.7222</value></conversionOrExercisePrice><exerciseDate><value>2003-04-09</value></exerciseDate><expirationDate><value>2004-04-08</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Class A Common Stock, $.01 par value</value></underlyingSecurityTitle><underlyingSecurityShares><value>5625</value><footnoteId id="F2"/></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5625</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value>
</securityTitle><conversionOrExercisePrice><value>6.6667</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F3"/></exerciseDate><expirationDate><value>2005-04-13</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Class A Common Stock, $.01 par value</value></underlyingSecurityTitle><underlyingSecurityShares><value>5625</value><footnoteId id="F3"/></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5625</value><footnoteId id="F3"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>10.5833</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F4"/></exerciseDate><expirationDate><value>2006-04-05</valu
e></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Class A Common Stock, $.01 par value</value></underlyingSecurityTitle><underlyingSecurityShares><value>7875</value><footnoteId id="F4"/></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>7875</value><footnoteId id="F4"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>21.35</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F5"/></exerciseDate><expirationDate><value>2007-05-22</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Class A Common Stock, $.01 par value</value></underlyingSecurityTitle><underlyingSecurityShares><value>7000</val
ue><footnoteId id="F5"/></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>7000</value><footnoteId id="F5"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeHolding><derivativeTransaction><securityTitle><value>Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>22.41</value></conversionOrExercisePrice><transactionDate><value>2003-07-31</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>5000</value><footnoteId id="F6"/></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transaction
AcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F6"/></exerciseDate><expirationDate><value>2008-07-30</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Class A Common Stock, $.01 par value</value></underlyingSecurityTitle><underlyingSecurityShares><value>5000</value><footnoteId id="F6"/></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5000</value><footnoteId id="F6"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">These shares are held jointly by Mr. Harris and his wife.</footnote><footnote id="F2">This option was previously reported by Mr. Harris.  </footnote><footnote id="F3">This option was previously reported by Mr. Harris.  Mr. Harris can exercise the option as 
follows:  1,406 shares on 4/14/01, 1,406 shares on 4/14/02, 1,406 shares on 4/14/03, and 1,407 shares on 4/14/04. </footnote><footnote id="F4">This option was previously reported by Mr. Harris.  Mr. Harris can exercise the option as follows:  1,968 shares on 4/6/02, 1,969 shares on 4/6/03, 1,969 shares on 4/6/04, and 1,969 shares on 4/6/05. </footnote><footnote id="F5">This option was previously reported by Mr. Harris.  Mr. Harris can exercise the option as follows:  1,750 shares on 5/23/03, 1,750 shares on 5/23/04, 1,750 shares on 5/23/05, and 1,750 shares on 5/23/06.</footnote><footnote id="F6">This option was granted under the Issuer's 1996 Stock Option Plan in a transaction exempt under Rule 16b-3.  Mr. Harris can exercise the option as follows: 1,250 shares on 7/31/04, 1,250 shares on 7/31/05, 1,250 shares on 7/31/06 and 1,250 shares on 7/31/07.</footnote></footnotes><remarks/><ownerSignature><signatureName>Alan R. Harris</signatureName><signatureDate>2003-09-12</signatureDate></ownerSignature></ownersh
ipDocument>

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