Variables

HOUSEHOLD

Table Name HOUSEHOLD
Key Column(s) SAMPNO
Relationships PERSON (SAMPNO)
VEHICLE (SAMPNO)
PLACE (SAMPNO)
PLACE_TRANSIT (SAMPNO)
LOCATION (SAMPNO)
GPS_PLACE (SAMPNO)
GPS_POINT (SAMPNO)
What is a HOUSEHOLD record? A record in this table represents a household unit that had all of its residents complete all portions of the survey.


1: SAMPNO



2: TRAVDATE



3: TRAVDAY



4: HHSIZE



5: HHVEH



6: AV_CARS



7: RIDEHAIL



8: SMARTAPPS



9: INTL_SIGNS



10: EV_CARS



11: CARS_FUT



12: TRANSIT_FUT



13: TRUCKS_FUT



14: RAIL_FUT



15: PED_FUT



16: COND_FUT



17: DEVELOP_FUT



18: ENVIRO_FUT



19: SAFETY_FUT



20: TRAFF_FUT



21: FUT_OBST



22: FUT_OBST_O



23: TRANSPROB_NIRPC



24: TRANSPROB_NIRPC_O



25: HLIVE



26: RESTYLAST



27: RESTYLAST_O



28: RESTYLAST_ZIP



29: HHINC2



30: HOMEOWN



31: HOMEOWN_O



32: FUTURESURVEY



33: RESTY



34: RESTY_O



35: HHINC



36: DOWNLOAD



37: HHTRIPS



PERSON

Table Name PERSON
Key Column(s) SAMPNO, PERNO
Relationships HOUSEHOLD (SAMPNO)
LOCATION (SAMPNO, PERNO)
PLACE (SAMPNO, PERNO)
PLACE_TRANSIT (SAMPNO, PERNO)
GPS_PLACE (SAMPNO, PERNO)
GPS_POINT (SAMPNO, PERNO)
What is a PERSON record? A record in this table represents an individual household member. Households were instructed to list all persons living in the household. Persons were ordered by the household member that initially responded to the survey invitation.


1: SAMPNO



2: PERNO



3: DATE_COMPLETED



4: RETMODE



5: PROXY



6: PROXYPERNO



7: AGE



8: AAGE



9: AGE18



10: SEX



11: RELATE



12: RELATE_O



13: LIC



14: HISP



15: HISP_O



16: RACE



17: RACE_O



18: SMRTPHN



19: EMPLY_ASK



20: JOBS



21: WKSTAT



22: WKSTAT_O



23: VOLUN_FREQ



24: WPLACE



25: WMODE



26: WMODE_O



27: WPARKRIDE



28: PERVH



29: WRKHRS



30: WTRAV



31: OCCUP



32: OCCUP_O



33: INDUS



34: INDUS_O



35: EMPLY_TRANSIT



36: EMPLY_TRANSIT_O



37: EMPLY_PARK



38: EMPLY_PARK_O



39: STUDE



40: SCHOL



41: SCHOL_O



42: SLOC



43: SWEB



44: SMODE



45: SMODE_O



46: SPARKRIDE



47: EDUC



48: EDUC_O



49: HPTOL



50: HPTOL_O



51: PAY_ALLDAY



52: TOLLS



53: TOLLTRIP



54: TYPDAY



55: TYPDAY_NO



56: TYPPL



57: CARPTOWK



58: WALKTOWK



59: BIKETOWK



60: RIBUS



61: TCOFF



62: TCDAYS



63: COMPR



64: COMPR_O



65: WKFLEX



66: TNC_USE



67: TNC_TYP



68: TNC_COST



69: TNC_PURP



70: DISAB



71: DTYPE_O



72: DTYPE2



73: NOGOWHY



74: NOGOWHY_O



75: NOGOWHY2_1



76: NOGOWHY2_2



77: NOGOWHY2_3



78: NOGOWHY2_4



79: NOGOWHY2_5



80: NOGOWHY2_RF



81: NOGOWHY2_DK



82: TRAVELDATAUSE



83: TRAVELDATADEVICE_1



84: TRAVELDATADEVICE_2



85: TRAVELDATADEVICE_3



86: TRAVELDATADEVICE_SE



87: TRAVELDATADEVICE_RF



88: TRAVELDATADEVICE_DK



89: TRAVELDATADEVICE_O



90: TRAVELDATAMODE_1



91: TRAVELDATAMODE_2



92: TRAVELDATAMODE_3



93: TRAVELDATAMODE_4



94: TRAVELDATAMODE_5



95: TRAVELDATAMODE_SE



96: TRAVELDATAMODE_RF



97: TRAVELDATAMODE_DK



98: TRAVELDATAMODE_O



99: DTYPE_1



100: DTYPE_2



101: DTYPE_3



102: DTYPE_4



103: DTYPE_5



104: DTYPE_6



105: DTYPE_SE



106: DTYPE_RF



107: DTYPE_DK



108: QC_TRIP_PERSON



109: PERTRIPS



VEHICLE

Table Name VEHICLE
Key Column(s) SAMPNO, VEHNO
Relationships HOUSEHOLD (SAMPNO)
PLACE (SAMPNO, VEHNO)
What is a VEHICLE record? A record in this table represents a household vehicle. Participants were asked to list any vehicle that a household person owned, leased or had available for regular use, including motorcycles, mopeds and RVs.


1: SAMPNO



2: VEHNO



3: VEHYEAR



4: MAKE



5: MAKE_O



6: MODEL



7: MODEL_O



8: BODY



9: BODY_O



10: FUEL



11: FUEL_O



12: TRANSP



13: PARKD



14: PARKD_O



PLACE

Table Name PLACE
Key Column(s) SAMPNO, PERNO, PLACENO
Relationships HOUSEHOLD (SAMPNO)
PERSON (SAMPNO, PERNO)
VEHICLE (SAMPNO, VEHNO)
LOCATION (SAMPNO, LOCNO)
PLACE_TRANSIT (SAMPNO, PERNO, PLACENO)
What is a PLACE record? A record in this table represents a place or destination that was reported individually by a household person for the household's instructed travel date. For the travel day survey portion, household participants older than four years of age were asked to report all locations they went to from 3am to 2:59am the next day, regardless of how long they were there, including trips that may have started and ended at the same location, like walk or bicycle trips for exercise.


1: SAMPNO



2: PERNO



3: TRAVELDAYNO



4: PLACENO



5: LOCNO



6: ARRTIME



7: DEPTIME



8: TRAVTIME



9: ACTDUR



10: DISTANCE



11: MODE



12: MODE_O



13: VEHNO



14: CRAVL



15: FARE



16: PAYF



17: PAYF_O



18: PAYPK



19: PKAMT



20: PKBAS



21: PKBAS_O



22: PRKTY



23: PRKTY_O



24: RAND_A



25: TPURP



26: TPURP_O



27: TPURP2



28: TPURP2_O



29: TPURP_VALID



30: TRIP_APPT



31: TRIP_APPT_WHY_1



32: TRIP_APPT_WHY_2



33: TRIP_APPT_WHY_3



34: TRIP_APPT_WHY_4



35: TRIP_APPT_WHY_5



36: TRIP_APPT_WHY_6



37: TRIP_APPT_WHY_SE



38: TRIP_APPT_WHY_RF



39: TRIP_APPT_WHY_DK



40: TRIP_APPT_WHY_O



41: TRIP_APPT_WHY2_1



42: TRIP_APPT_WHY2_2



43: TRIP_APPT_WHY2_3



44: TRIP_APPT_WHY2_4



45: TRIP_APPT_WHY2_5



46: TRIP_APPT_WHY2_SE



47: TRIP_APPT_WHY2_RF



48: TRIP_APPT_WHY2_DK



49: TRIP_APPT_WHY2_O



50: PERNO_1



51: PERNO_2



52: PERNO_3



53: PERNO_4



54: PERNO_5



55: PERNO_6



56: PERNO_7



57: PERNO_8



58: PERNO_9



59: PERNO_10



60: PERNO_11



61: PERNO_12



62: COMPANIONS



63: HHCOUNT



64: NONHHCOUNT



65: HHPARTY



66: PARTY



67: TRANSFER_COUNT



68: QC_LOC



69: QC_JOINT



70: QC_TIME



71: QC_LOOP



72: QC_DAY



73: PLACEID



PLACE_TRANSIT

Table Name PLACE_TRANSIT
Key Column(s) SAMPNO, PERNO, PLACENO, TRANSITNO
Relationships HOUSEHOLD (SAMPNO)
PERSON (SAMPNO, PERNO)
PLACE (SAMPNO, PERNO, PLACENO)
What is a PLACE_TRANSIT record? A record in this table represents a public transit stop or station within a participant-selected Google transit itinerary. A participant had the option to select a Google transit itinerary if they reported using public transportation to get to the reported place. Participants also had the option to refuse selecting one of the four Google-returned itineraries.


1: SAMPNO



2: PERNO



3: PLACENO



4: TRANSITNO



5: DISTANCE



6: DURATION



7: LATITUDE



8: LONGITUDE



9: MODE



10: AGENCY_NAME



11: LINE_NAME



12: LINE_SHORT_NAME



13: DEPARTURE_STOP_NAME



14: DEPARTURE_TIME



15: ARRIVAL_TIME



16: ARRIVAL_STOP_NAME



17: IMPUTED



LOCATION

Table Name LOCATION
Key Column(s) SAMPNO, LOCNO
Relationships HOUSEHOLD (SAMPNO)
What is a LOCATION record? A record in this table represents a geographic location reported at any level of the household. Every household has a home location record. Every person that is a student or worker has a location record. Every place record has a matching location record.


1: SAMPNO



2: LOCNO



3: PERNO



4: LOCTYPE



5: LONGITUDE



6: LATITUDE



7: LOCNAME



8: STREETADDR



9: CITY



10: STATE



11: ZIP



12: COUNTRY



13: FULLADDR



14: FULL_FIPS



15: STATE_FIPS



16: COUNTY_FIPS



17: TRACT_FIPS



18: BLOCK_FIPS



19: CBSA



20: CSA



GPS_DAY

Table Name GPS_DAY
Key Column(s) SAMPNO, PERNO, DAYNO
Relationships HOUSEHOLD (SAMPNO)

PERSON (SAMPNO, PERNO)

GPS_PLACE (SAMPNO, PERNO, DAYNO)

GPS_POINT (SAMPNO, PERNO, DAYNO)
What is a GPS_DAY record? A record in this table represents one of up to six optional GPS-based MyDailyTravel phone application travel days. The optional travel period begins on the day after the primary travel date and ends seven days after.


1: SAMPNO



2: PERNO



3: DAYNO



4: APPDATE



5: APPTRIPS



6: APP_ACTIVITY_BEGIN



7: APP_ACTIVITY_END



8: LOCATION_ACTIVITY



9: ACCELERATION_ACTIVITY



10: REMOVED_PLACES



11: HOME_START



12: HOME_END



GPS_PLACE

Table Name GPS_PLACE
Key Column(s) SAMPNO, PERNO, DAYNO, PLACENO
Relationships HOUSEHOLD (SAMPNO)
PERSON (SAMPNO, PERNO)
LOCATION (SAMPNO, LOCNO)
GPS_POINT (SAMPNO, PERNO, DAYNO, PLACENO)
What is a GPS_PLACE record? A record in this table represents a place that was reported by the GPS-based MyDailyTravel phone application during participant's travel reporting period, day 2 through 7.


1: SAMPNO



2: PERNO



3: DAYNO



4: PLACENO



5: LOCNO



6: ARRTIME



7: DEPTIME



8: TRAVTIME



9: ACTDUR



10: DISTANCE



11: MODE



12: MODE_O



13: TPURP



14: TPURP_O



15: TPURP2



16: TPURP2_O



17: CRAVL



18: PAYPK



19: PKAMT



20: PKBAS



21: PKBAS_O



22: PRKTY



23: PRKTY_O



24: PAYF



25: PAYF_O



26: FARE



27: TRIP_APPT



28: TRIP_APPT_WHY_1



29: TRIP_APPT_WHY_2



30: TRIP_APPT_WHY_3



31: TRIP_APPT_WHY_4



32: TRIP_APPT_WHY_5



33: TRIP_APPT_WHY_6



34: TRIP_APPT_WHY_SE



35: TRIP_APPT_WHY_RF



36: TRIP_APPT_WHY_DK



37: TRIP_APPT_WHY_O



38: TRIP_APPT_WHY2_1



39: TRIP_APPT_WHY2_2



40: TRIP_APPT_WHY2_3



41: TRIP_APPT_WHY2_4



42: TRIP_APPT_WHY2_5



43: TRIP_APPT_WHY2_SE



44: TRIP_APPT_WHY2_RF



45: TRIP_APPT_WHY2_DK



46: TRIP_APPT_WHY2_O



47: INITIATED_BY



48: PLACEID



GPS_POINT

Table Name GPS_POINT
Key Column(s) SAMPNO, PERNO, POINTNO
Relationships HOUSEHOLD (SAMPNO)
PERSON (SAMPNO, PERNO)
GPS_PLACE (SAMPNO, PERNO, DAYNO, PLACENO)
PLACE (SAMPNO, PERNO, PLACENO)
ACCELERATION (SAMPNO, PERNO, TIME_LOCAL)
What is a GPS_POINT record? A record in this table represents a geographic location logged by the GPS-based MyDailyTravel phone application.


1: SAMPNO



2: PERNO



3: PLACENO



4: POINTNO



5: DAYNO



6: TIME_UTC



7: TIME_LOCAL



8: LATITUDE



9: LONGITUDE



10: ALTITUDE



11: SPEED



12: HEADING



13: HDOP



ACCELERATION

Table Name ACCELERATION
Key Column(s) SAMPNO, PERNO, ACCELNO
Relationships HOUSEHOLD (SAMPNO)
PERSON (SAMPNO, PERNO)
PLACE (SAMPNO, PERNO, PLACENO)
GPS_POINT (SAMPNO, PERNO, TIME_LOCAL)
What is a ACCELERATION record? A record in this table represents an acceleration point logged by the GPS-based MyDailyTravel phone application that is between the start time and end time of a travel day place.


1: SAMPNO



2: PERNO



3: PLACENO



4: ACCELNO



5: DAYNO



6: TIME_LOCAL



7: X



8: Y



9: Z



10: VECTOR_MAGNITUDE



Variable Labels

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Value Labels

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Weights





Description
The household and person level survey weights we have provided for the NIRPC data are calibrated separately to household totals and person totals, respectively, from an external data source (in this case, the American Community Survey 5-year data). This is common practice for household surveys, and aligns the expansion estimates from the survey to external totals at the level of each unit separately (households or persons), but it does not guarantee that person level totals obtained using the person weights and person level totals obtained by applying the household weight to each person in the household will agree. For most general planning, using survey weights computed in this manner is appropriate and recommended.

However, if the desire is to establish calibration based targets for activity based models, a consistent set of totals is required, meaning the person weights must be calibrated to the household weights such that the totals agree. We have developed methodology to create these weights for NIRPC as well, and they are provided in the final dataset. While these weights are necessary for modeling, they have more variation than standard survey weights, resulting in lower precision of resulting estimates. As a result, we recommend using the standard survey weights when possible.