| Field Name | Description | 
|---|
| FileId | File Identification |   | 
| HouseholdId | Household Identification Number |   | 
| Personid | Person Identification Number |   | 
| TripId | Trip Identification Number |   | 
| PersonTripId | Person Trip Identification Number |   | 
| PerTrips | Person trips |   | 
| PersonTripWeight | Person Trip Weight |   | 
| TrParty | Travelers in the Travel Party |   | 
| TrPrTyHousehold | Adult Household Members in Travel Party |   | 
| TrPrTyAd | Adult Household Members in 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 |   | 
| CarierDestOrigin | 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 |   | 
| RtedUsDestOrigin | 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 |   | 
| StopsTo | Stops to Destination |   | 
| StopFrom | Stops from Destination |   | 
| SideTrps | Side Trips |   | 
| EditTrParty | Edit/Imputation of Travelers in the Travel Party |   | 
| EditTprTyHousehold | Edit/Imputation of Household Members in the Travel Party |   | 
| EditTprTyA | Edit/Imputation of Adult Household Members in the Travel Party |   | 
| EditTprTyC | Edit/Imputation of Children Under 18 Years in the Travel Party |   | 
| EditTprTyN | Edit/Imputation of Non-Household Members in the Travel Party |   | 
| EditTrPrType | Edit/Imputation of Travel Party Type |   | 
| EditLeaveYear | Edit/Imputation of Departure Year |   | 
| EditReturnYear | Edit/Imputation of Return Year |   | 
| EditReturnQuarter | Edit/Imputation of Return Quarter |   | 
| EditWeekend | Edit/Imputation of Weekend Trip |   | 
| EditNiteAway | Edit/Imputation of Nights Away from Home |   | 
| EditNiteDest | Edit/Imputation of Nights at Destination |   | 
| EditLodge | Edit/Imputation of Lodging at Destination |   | 
| EditTransportOriginDest | Edit/Imputation of Principal Transportation from Origin to Destination |   | 
| EditFlightOriginDest | Edit/Imputation of Regularly Scheduled or Charter Flight from Origin to Destinat |   | 
| EditCarrierOriginDest | Edit/Imputation of U.S. or Foreign Carrier from Origin to Destination |   | 
| EditTrainToStation | Edit/Imputation of Transportation to Origin Airport/Terminal/Station |   | 
| EditTransportFromStation | Edit/Imputation of Transportation from Airport/Station/Terminal at Destination |   | 
| EditVacation | Edit/Imputation of Vacation Trip |   | 
| EditReason | Edit/Imputation of Reason for Trip |   | 
| EditTransportDestOrigin | Edit/Imputation of Principal Transportation from Destination to Origin |   | 
| EditFlightDestOrigin | Edit/Imputation of Regularly Scheduled or Charter Flight from Destination to Ori |   | 
| EditCarrierDestOrigin | Edit/Imputation of U.S. or Foreign Carrier from Destination to Origin |   |