Transportation mode on travel day trip
Public transit used on trip
Respondent was passenger on trip
Subject was driver on this trip
HH vehicle no. used on travel day trip
Person ID of driver on trip
HH vehicle used on trip
HH member drove on trip
Household in urban/rural area
Travel day trip purpose-why travel from
Urban / Rural indicator - Tract level
Urban / Rural indicator - Block group
MSA / CMSA code for HH
HH Identification Number
Composite travel day trip ID number
Subjects age was imputed
Subjects sex was imputed
Race of HH respondent was imputed
TRIPDIST was imputed
TRVL_MIN was imputed
HOMEOWN was imputed
HOMETYPE was imputed
ENDTIME was imputed
STRTTIME was imputed
TRPPUB was imputed
Whole trip was imputed
Orig missed trip incorp into trav day
Person ID number
Travel day trip number for respondent
Travel Period Overlap
Reason start travel day away from home
Driver status of respondent
Person 1 was on travel day trip
Person 2 was on travel day trip
Person 3 was on travel day trip
Person 4 was on travel day trip
Person 5 was on travel day trip
Person 6 was on travel day trip
Person 7 was on travel day trip
Person 8 was on travel day trip
Person 9 was on travel day trip
Person 10 was on travel day trip
Person 11 was on travel day trip
Person 12 was on travel day trip
Passenger's trip purpose
Mode of public transit used
Respondent relationship to HH respondent
1st mode to get to public transit
2nd mode to get to public transit
3rd mode to get to public transit
4th mode to get to public transit
5th mode to get to public transit
1st mode from public transit to dest.
2nd mode from public transit to dest.
3rd mode from public transit to dest.
4th mode from public transit to dest.
5th mode from public transit to dest.
Respondent has job
HH members were on trip
Travel day trip purpose-why travel to
Travel day trip on weekend
Person 13 was on travel day trip
Person 14 was on travel day trip
Travel day trip purpose - summary
Travel day trip start time, military
Trip distance in miles or blocks
Travel day trip end time, hour
Time to get to public transit
Time waiting for public transit
Trip distance in blocks-reported orig
Highest grade completed
Occupational category
Out of town entire travel day
Primary activity last week
Trip info from respondent or proxy
Respondent category who had proxy
Hispanic status of HH respondent
Race of HH respondent
Number of adults in HH
Driver status of HH respondent
Worker status of HH respondent
Respondent gender
Travel day - day of week
Travel day date (YYYYMM)
Travel Day Before or On/After 9/11
Add-on area where HH resides
Firm collecting the data
Sample where the case originated
Housing unit owned or rented
Type of housing unit
Education level of HH respondent
Language interview was conducted in
Person ID of HH respondent
Total HH income last 12 months
Count of HH members
Count of HH vehicles
HHs by Census Div., MSA size, Rail
Rail (subway) category of HH
Household in urbanized area
MSA/CMSA category
Population size of HH MSA
FIPS state code for HH
Household Census Region
Household Census Division
State-household location
HH life cycle
Count of HH members with jobs
Count of drivers in HH
Count of HH members on trip
Total people on trav day trip, inc resp.
Time spent at destination of trip
TRPTRANS edited
WHYTRP edited
STRTTIME edited
ENDTIME edited
TRPDIST edited
TRVL_MIN edited
Flag for travel day trip ending next day
Travel day trip start time, hour
Travel day trip start time, minute
Travel day trip end time, minute
1990 NPTS trip purpose
Time to complete entire trip in minutes
Travel day trip purpose
Calculated Time to complete trip (min.)
Total income all HH members
Sequential Trip Number
Age of Subject used in weighting
Day Trip Wt at least 50% completed-NATL
Day Trip Weight 100% completed - NATL
Day Trip Wt at least 50% completed
Day Trip Weight 100% completed
Population per sq mile - Tract level
Housing units per sq mile - Tract level
Population per sq mile - Block group
Housing units per sq mile - Block group
No of NON HH members on travel day trip
Trip distance in miles
Time to get from public transit,minutes
Respondent age
Percent renter-occupied - Block group
Jobs per sq mile - Tract level
Percent renter-occupied - Tract level
Travel day trip end time, military