| Field Name | Description |
|---|
| FileId | File Identification | |
| HouseholdIdNumber | Household Identification Number | |
| TripId | Trip Identification Number | |
| Trips | Trips | |
| HouseholdTripWeight | Household Trip Weight | |
| OriginRegionCode | Region Code of Trip Origin | |
| OriginRegionName | Region Name of Trip Origin | |
| OriginDivisionCode | Division Code of Trip Origin | |
| OriginDivisionName | Division Name of Trip Origin | |
| OriginStateCode | State Code of Trip Origin | |
| OriginStateName | State Name of Trip Origin | |
| OriginStatePost | State Postal Abbreviation of Trip Origin | |
| OriginMetroAreaCode | Metropolitan Area (MA) Code of Trip Origin | |
| OriginMetroAreaName | Metropolitan Area (MA) Name of Trip Origin | |
| DestRegionCode | Region Code of Trip Destination | |
| DestRegionName | Region Name of Trip Destination | |
| DestDivisonCode | Division Code of Trip Destination | |
| DestDivisonName | Division Name of Trip Destination | |
| DestStateCode | State or Foreign Country Code of Trip Destination | |
| DestStateName | State or Foreign Country Name of Trip Destination | |
| DestStatePost | State Postal Abbreviation of Trip Destination | |
| DestMetroAreaCode | Metropolitan Area (MA) Code of Trip Destination | |
| DestMetroAreaName | Metropolitan Area (MA) Name of Trip Destination | |
| Tenure | Tenure | |
| Structure | Structure Type | |
| Vehicles | Vehicles | |
| Vans | Vans | |
| UtilityVehicles | Utility Vehicles | |
| PickUps | Pickup Trucks | |
| Autos | Automobiles | |
| Trucks | Other trucks | |
| RecreationVehicle | Recreational Vehicles | |
| MotorCycles | MotorCycles | |
| OtherVehicles | Other Vehicles | |
| HouseholdType | Household Type | |
| HouseholdSize | Household Size | |
| HouseholdPersons | Persons in Household | |
| HouseholdIncome | Household Income | |
| FamilyIncome | Family Income | |
| AgeHousehold1 | Age of Householder (Single-year increments) | |
| AgeHousehold5 | Age of Householder (Five-year increments) | |
| RaceHousehold | Race of Householder | |
| HispanicHousehold | Hispanic Origin of Householder | |
| EducHousehold | Educational Attainment of Householder | |
| ActivityHousehold | Activity of Householder | |
| TrParty | Travelers in Travel Party | |
| TrPrTyHousehold | Household Members in Travel Party | |
| TrPrTyAd | Adult Household Members in the Travel Party | |
| TrPrTyCh | Children Under 18 Years in the Travel Party | |
| TrPrTyNh | Non-Household Members in the Travel Party | |
| TrPrType | Travel Party Type | |
| LeaveYear | Departure Year | |
| ReturnYear | Return Year | |
| ReturnQuarter | Return Quarter | |
| Weekend | Weekend Trip | |
| NiteAway | Nights Away from Home | |
| NiteFrnd | Nights Away from Home in Friend's or Relative's Home | |
| NiteHotel | Nights Away from Home in Hotel, Motel, Bed and Breakfast, or Resort | |
| NiteRent | Nights Away from Home in Rented Cabin, Condominium, or Vacation Home | |
| NiteOwn | Nights Away from Home in Owned Cabin, Condominium, Vacation Home, or Timeshare | |
| NiteTrailer | Nights Away from Home in Camper, Trailer, or Recreational Vehicle | |
| NiteCorporate | Nights Away from Home in Corporate-Owned Housing | |
| NiteConference | Nights Away from Home in Conference Center | |
| NiteMilitary | Nights Away from Home in Military Housing | |
| NiteDorm | Nights Away from Home in Dormitory | |
| NitePassenger | Nights Away from Home as Passenger in Car, Plane, Cruise Ship, Train, etc. | |
| NitePark | Nights Away from Home in Parked Automobile, Van, Station Wagon, etc. | |
| NiteSpa | Nights Away from Home in Health Spa or Health Resort | |
| NiteCamp | Nights Away from Home in Work or Recreational Camp, Tent, etc. | |
| NiteHostel | Nights Away from Home in Youth Hostel | |
| NiteShel | Nights Away from Home in YMCA or Shelter | |
| NiteOthr | Nights Away from Home in Other Type of Lodging | |
| NiteDest | Nights at Destination | |
| LodgDest | Type of Lodging at Destination | |
| TransportOriginDest | Principal Transportation from Origin to Destination | |
| FlightOriginDest | Regularly Scheduled or Charter Flight from Origin to Destination | |
| CarrierOriginDest | U.S. or Foreign Carrier from Origin to Destination | |
| TrainToStation | Transportation to Origin Airport/Station/Terminal | |
| GCDToStation | Great Circle Distance (GCD) to Airport/Station/Terminal | |
| RouteDistanceToStation | Route Distance to Airport/Station/Terminal | |
| TransportFromStation | Transportation from Airport/Station/Terminal at Destination | |
| Vacation | Vacation Trip | |
| Reason | Reason for Trip | |
| TransportDestOrigin | Principal Transportation from Destination to Origin | |
| FlightDestOrigin | Regularly Scheduled or Charter Flight from Destination to Origin | |
| CarrierDestOrigin | U.S. or Foreign Carrier from Destination to Origin | |
| GCDOriginDest | Great Circle Distance from Origin to Destination | |
| GCDUsOriginDest | Great Circle Distance from Origin to Destination, U.S. Portion | |
| GCDInternationalOriginDest | Great Circle Distance from Origin to Destination, International Portion | |
| RouteDistanceUsOriginDest | Route Distance from Origin to Destination, U.S. Portion | |
| GCDDestOrigin | Great Circle Distance from Destination to Origin | |
| GCDUsDestOrigin | Great Circle Distance from Destination to Origin, U.S. Portion | |
| GCDInternationalDestOrigin | Great Circle Distance from Destination to Origin, International Portion | |
| RouteDistanceUsDestOrigin | Route Distance from Destination to Origin, U.S. Portion | |
| GCDRoundTrip | Great Circle Distance, Round Trip | |
| GCDUsRoundTrip | Great Circle Distance, Round Trip, U.S. Portion | |
| GCDInternationalRoundTrip | Great Circle Distance, Round Trip, International Portion | |
| RouteDistanceUsRoundTrip | Route Round-Trip Distance, U.S. Portion | |
| InternationalDestFlag | U.S./International Destination Flag | |
| StopSo | Stops to Destination | |
