<?xml version="1.0" encoding="ISO-8859-1"?>
<varlist name="Washington_DC1968" delimiter=",">
    <variable name="sampn" desc="Sample number" start="1" end="5" type="numeric"/>
    <variable name="intvwarea" desc="Interview area" start="6" end="8" type="numeric"/>
    <variable name="traveldate" desc="Travel date" start="9" end="11" type="string"/>	
    <variable name="structype" desc="Structure type" start="12" end="12" type="string"/>	
    <variable name="perno" desc="Person number" start="13" end="14" type="numeric"/>	
    <variable name="tripno" desc="Trip number" start="15" end="16" type="numeric"/>	
    <variable name="addrctb" desc="Home address - 1970 CTB" start="17" end="26" type="string"/>	
    <variable name="addrtpb" desc="Home address - TPB subzone" start="27" end="31" type="string"/>	
    <variable name="addrxycoord" desc="Home address X-Y coord" start="32" end="43" type="string"/>	
    <variable name="hhinc" desc="Household income" start="44" end="44" type="string">
        <category code="1" label="0 to less than 3,000"/>
        <category code="2" label="3,000 to less than 4,000"/>
        <category code="3" label="4,000 to less than 6,000"/>
        <category code="4" label="6,000 to less than 8,000"/>
        <category code="5" label="8,000 to less than 10,000"/>
        <category code="6" label="10,000 to less than 12,000"/>
        <category code="7" label="12,000 to less than 15,000"/>
        <category code="8" label="15,000 to less than 20,000"/>
        <category code="9" label="20,000 to less than 25,000"/>
        <category code="A" label="25,000 and up"/>
    </variable>
    <variable name="noofveh" desc="Number of cars available on travel day" start="45" end="45" type="numeric"/>	
    <variable name="relation" desc="Relation to head of HH" start="46" end="52" type="numeric">
        <category code="0000001" label="Head of HH"/>
        <category code="0000002" label="Wife of head"/>
        <category code="0000003" label="Child of head"/>
        <category code="0000004" label="Parent of head"/>
        <category code="0000005" label="Other relative"/>
        <category code="0000006" label="Non relative"/>
        <category code="0000007" label="Resident employee"/>
        <category code="0000008" label="Visitor"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="age" desc="Age greater than 4" start="53" end="59" type="numeric">	
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="sex" desc="Sex" start="60" end="66" type="numeric">
        <category code="0000001" label="Male"/>
        <category code="0000002" label="Female"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="license" desc="Drivers license" start="67" end="73" type="numeric">
        <category code="0000001" label="Yes"/>
        <category code="0000002" label="No"/>
        <category code="0000003" label="Learners Permit"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="occstatus" desc="Occupation status" start="74" end="74" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Worker 1 full time job"/>
        <category code="2" label="Worker 1 part-time job"/>
        <category code="3" label="Worker 2 or more jobs"/>
        <category code="4" label="Student"/>
        <category code="5" label="Student work part time"/>
        <category code="6" label="Housewife"/>
        <category code="7" label="Housewife- part time job"/>
        <category code="8" label="Retired"/>
        <category code="9" label="Unemployed"/>
        <category code="b" label="Unknown"/>
        <category code="A" label="Other"/>
    </variable>
    <variable name="wrkschaddrctbaddrctb" desc="Work school address - 1970 CTB" start="75" end="84" type="string"/>	
    <variable name="addrtpb" desc="Work school address - TPB subzone" start="85" end="89" type="string"/>	
    <variable name="addrxycoord" desc="Work school address X-Y coord" start="90" end="101" type="string"/>	
    <variable name="placetyp" desc="Kind of place" start="102" end="102" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Worker 1 full time job"/>
        <category code="2" label="Worker 1 part-time job"/>
        <category code="3" label="Worker 2 or more jobs"/>
        <category code="4" label="Student"/>
        <category code="5" label="Student work part time"/>
        <category code="6" label="Housewife"/>
        <category code="7" label="Housewife- part time job"/>
        <category code="8" label="Retired"/>
        <category code="9" label="Unemployed"/>
        <category code="b" label="Unknown"/>
        <category code="A" label="Other"/>
    </variable>
    <variable name="biztype" desc="Type of business or industry" start="103" end="109" type="numeric">
        <category code="0000010" label="SIC 1-14 Agriculture, etc."/>
        <category code="0000020" label="SIC 15-17 Construction"/>
        <category code="0000030" label="Manufacturing- no specific product"/>
        <category code="0000031" label="SIC 20-21 Food products"/>
        <category code="0000032" label="SIC 22,23,31 Textiles, apparel etc."/>
        <category code="0000033" label="SIC 24-26 Lumber products, paper etc."/>
        <category code="0000034" label="SIC 27 Printing and publishing"/>
        <category code="0000035" label="SIC 28-30 Chemicals, petroleum, etc."/>
        <category code="0000036" label="SIC 32 Stone, clay, etc."/>
        <category code="0000037" label="SIC 33-34 Metals"/>
        <category code="0000038" label="SIC 34-38 Machinery"/>
        <category code="0000039" label="SIC 39 Misc. manufacturing"/>
        <category code="0000040" label="SIC 40-49 Trans, comm, utilities"/>
        <category code="0000050" label="Trade"/>
        <category code="0000051" label="SIC 50 Wholesale trade"/>
        <category code="0000052" label="SIC 52-59 Retail trade"/>
        <category code="0000060" label="SIC 60-67 Finance, Ins, real estate"/>
        <category code="0000071" label="SIC 73,80-82,86,89 Professional services"/>
        <category code="0000072" label="SIC 70,72,75,76,78,79,84,88 Personal services"/>
        <category code="0000070" label="Services"/>
        <category code="0000080" label="Government"/>
        <category code="0000081" label="SIC 91 Military"/>
        <category code="0000082" label="SIC 91 Federal govt. civilian"/>
        <category code="0000083" label="SIC 92 State govt."/>
        <category code="0000084" label="SIC 93 Local govt., Police, etc."/>
        <category code="0000085" label="SIC 94 International"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="occcode" desc="Occupation code" start="110" end="110" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Professional"/>
        <category code="2" label="Technicians"/>
        <category code="3" label="Managers, Prof."/>
        <category code="4" label="Salesworkers"/>
        <category code="5" label="Clerical"/>
        <category code="6" label="Craftsmen, skilled workers "/>
        <category code="7" label="Semi-skilled"/>
        <category code="8" label="Unskilled"/>
        <category code="9" label="Service-ex HH"/>
        <category code="b" label="Unknown"/>
        <category code="A" label="Service-HH"/>
        <category code="B" label="Classified"/>
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="wrktravday" desc="Work trip on travel day" start="111" end="117" type="numeric">	
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="Yes"/>
        <category code="0000002" label="No"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="reason" desc="Reason if no trip to work" start="118" end="124" type="numeric">	
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="Worked at home"/>
        <category code="0000002" label="Sick"/>
        <category code="0000003" label="Vacation"/>
        <category code="0000004" label="Lay off or strike"/>
        <category code="0000005" label="Not work day"/>
        <category code="0000006" label="Other"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="otrips" desc="Made other trips" start="125" end="131" type="numeric">	
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="Yes"/>
        <category code="0000002" label="No"/>
        <category code="9999999" label="Missing values"/>
    </variable>
    <variable name="begaddctb" desc="Trip beginning address - 1970 CTB" start="132" end="141" type="string"/>	
    <variable name="begaddrtpb" desc="Trip beginning address - TPB subzone" start="142" end="146" type="string"/>	
    <variable name="begaddrxy" desc="Trip beginning address X-Y coord" start="147" end="158" type="string"/>	
    <variable name="endaddrctb" desc="Trip ending address - 1970 CTB" start="159" end="168" type="string"/>	
    <variable name="endaddrtpb" desc="Trip ending address - TPB subzone" start="169" end="173" type="string"/>	
    <variable name="endaddrxy" desc="Trip ending address X-Y coord" start="174" end="185" type="string"/>	
    <variable name="begtime" desc="Trip beginning time" start="186" end="189" type="string"/>	
    <variable name="endtime" desc="Trip beginning time" start="190" end="193" type="string"/>	
    <variable name="begtripurp" desc="Trip purpose beginning" start="194" end="194" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Home"/>
        <category code="2" label="Work"/>
        <category code="3" label="Shop"/>
        <category code="4" label="School"/>
        <category code="5" label="Soc-Rec"/>
        <category code="6" label="Personal business"/>
        <category code="7" label="Medical dental"/>
        <category code="8" label="Work connected business"/>
        <category code="9" label="Sightseeing"/>
        <category code="A" label="Serve Passenger"/>
        <category code="B" label="Change mode"/>
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="endtripurp" desc="Trip purpose beginning" start="195" end="195" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Home"/>
        <category code="2" label="Work"/>
        <category code="3" label="Shop"/>
        <category code="4" label="School"/>
        <category code="5" label="Soc-Rec"/>
        <category code="6" label="Personal business"/>
        <category code="7" label="Medical dental"/>
        <category code="8" label="Work connected business"/>
        <category code="9" label="Sightseeing"/>
        <category code="A" label="Serve Passenger"/>
        <category code="B" label="Change mode"/>
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="begplactyp" desc="Kind of place - trip beginning" start="196" end="196" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Residential"/>
        <category code="2" label="Industrial"/>
        <category code="3" label="Util and Trans"/>
        <category code="4" label="Schools and church"/>
        <category code="5" label="Shops and service"/>
        <category code="6" label="Offices"/>
        <category code="7" label="Public Services"/>
        <category code="8" label="Cultural and Entertainment"/>
        <category code="9" label="Parks and Rec."/>
        <category code="A" label="Const and undeveloped"/>
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="endplactyp" desc="Kind of place - trip ending" start="197" end="197" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Residential"/>
        <category code="2" label="Industrial"/>
        <category code="3" label="Util and Trans"/>
        <category code="4" label="Schools and church"/>
        <category code="5" label="Shops and service"/>
        <category code="6" label="Offices"/>
        <category code="7" label="Public Services"/>
        <category code="8" label="Cultural and Entertainment"/>
        <category code="9" label="Parks and Rec."/>
        <category code="A" label="Const and undeveloped"/>
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="mode" desc="Means of travel" start="198" end="198" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Auto driver"/>
        <category code="2" label="Auto passenger"/>
        <category code="3" label="Transit bus"/>
        <category code="4" label="Government bus"/>
        <category code="5" label="School bus"/>
        <category code="6" label="RR pass"/>
        <category code="7" label="Taxi pass"/>
        <category code="8" label="Truck pass"/>
        <category code="9" label="Airport limo"/>
        <category code="A" label="Walk"/>
        <category code="B" label="Auto driver - auto pass"/>
        <category code="C" label="Atuo pass - auto driver"/>
        <category code="D" label="Auto driver - transit pass"/>
        <category code="E" label="Transit pass - Auto driver"/>
        <category code="F" label="Auto pass - transit pass"/>						
        <category code="G" label="Transit pass - auto pass"/>
        <category code="H" label="Not B-G but link mode 1"/>
        <category code="I" label="All other combinations"/>				
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="begwalk" desc="Blocks walked - beginning" start="199" end="205" type="numeric">	
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="endwalk" desc="Blocks walked - ending" start="206" end="212" type="numeric">	
         <category code="9999999" label="Missing value"/>
    </variable>
   <variable name="carpool" desc="Car pool?" start="213" end="219" type="numeric">
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="yes"/>
        <category code="0000002" label="No"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="passngrpay" desc="Passenger pay?" start="220" end="226" type="numeric">
        <category code="0000000" label="Unknown"/>
        <category code="0000001" label="yes"/>
        <category code="0000002" label="No"/>
        <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="vehno" desc="Vehicle number" start="227" end="233" type="numeric">	
         <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="nooftrav" desc="Number of persons in the car" start="234" end="240" type="numeric">	
         <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="parktyp" desc="Type of parking" start="241" end="241" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Residential"/>
        <category code="2" label="Street free"/>
        <category code="3" label="Lot free"/>
        <category code="4" label="Garage free"/>
        <category code="5" label="Lot paid"/>
        <category code="6" label="Street meter"/>
        <category code="7" label="Garage paid"/>
        <category code="8" label="Service and repairs"/>
        <category code="9" label="Did not pay"/>
        <category code="A" label="Unknown"/>
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="pxing" desc="Potomac crossing" start="242" end="248" type="numeric">	
         <category code="9999999" label="Missing value"/>
    </variable>
    <variable name="beltway" desc="Use beltway" start="249" end="249" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="Yes"/>
        <category code="2" label="No"/>
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="bustransit" desc="Number of bus transfers" start="250" end="250" type="string">
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="seatbus" desc="Seat on bus" start="251" end="251" type="string">
        <category code="0" label="Unknown"/>
        <category code="1" label="All the way"/>
        <category code="2" label="Most of the way"/>
        <category code="3" label="Half the way"/>
        <category code="4" label="Part of the way"/>
        <category code="5" label="Stood"/>
        <category code="6" label="Unknown"/>
        <category code="b" label="Unknown"/>
    </variable>
    <variable name="hhfactor" desc="HH factor" start="252" end="255" type="numeric">	
         <category code="9999" label="Missing value"/>
    </variable>
    <variable name="screenfact" desc="Screen line factor" start="256" end="259" type="numeric">	
         <category code="9999" label="Missing value"/>
    </variable>
    <variable name="persinc" desc="Personal income" start="260" end="260" type="string"/>	
    <variable name="increcode" desc="Recoded income" start="261" end="262" type="numeric"/>	
    <variable name="origzone" desc="Sequence - origin zone" start="263" end="266" type="numeric"/>	
    <variable name="destzone" desc="Sequence - destination zone" start="267" end="270" type="numeric"/>	
    <variable name="homezone" desc="Sequence - home zone" start="271" end="274" type="numeric"/>	
    <variable name="recbegpurp" desc="Recode beginning trip purpose" start="275" end="276" type="numeric"/>	
    <variable name="recendpurp" desc="Recode ending trip purpose" start="277" end="278" type="numeric"/>	
    <variable name="parksubz" desc="Parking subzone" start="279" end="283" type="string"/>	
    <variable name="recmode" desc="Recode mode of travel" start="284" end="285" type="numeric"/>	
    <variable name="origdistt" desc="Sequence - Origin dist." start="286" end="288" type="numeric"/>	
    <variable name="destdistt" desc="Sequence - Dest. dist." start="289" end="291" type="numeric"/>	
    <variable name="factor" desc="Factor" start="292" end="296" type="numeric"/>	
    <variable name="homedistt" desc="Sequence - Home dist." start="297" end="299" type="numeric"/>	
    <variable name="recbegplac" desc="Recode - kind of place - trip beginning" start="300" end="301" type="numeric"/>	
    <variable name="recendplac" desc="Recode - kind of place - trip ending" start="302" end="303" type="numeric"/>	
    <variable name="recparktyp" desc="Recode Type of parking" start="304" end="305" type="numeric"/>	
    <variable name="rechhinc" desc="Recode HH income" start="306" end="307" type="numeric"/>	
    <variable name="parkzone" desc="Sequence parking zone" start="308" end="311" type="numeric"/>	
</varlist>

