| Field Name | Description |
|---|
| Homebase | Home-based trip | |
| Houseid | Household-identifying ID number | |
| Personid | Person-identifying ID number | |
| PsuId | PSU id | |
| Segment1sitm | Segment 1-mainly sit or stand | |
| Segment1time | Segment 1-starting time of this segment | |
| Segment1tran | Segment 1-means of transportation | |
| Segment1wait | Segment 1-waiting time, in minutes | |
| Segment1Min | Segment 1-length of segment, in minutes | |
| Segment1Sit | Segment 1-sit, stand, or both | |
| Segment2sitm | Segment 2-mainly sit or stand | |
| Segment2time | Segment 2-starting time of this segment | |
| Segment2tran | Segment 2-means of transportation | |
| Segment2wait | Segment 2-waiting time, in minutes | |
| Segment2Min | Segment 2-length of segment, in minutes | |
| Segment2Sit | Segment 2-sit, stand or both | |
| Segment3sitm | Segment 3-mainly sit or stand | |
| Segment3time | Segment 3-starting time of this segment | |
| Segment3tran | Segment 3-means of transportation | |
| Segment3wait | Segment 3-waiting time, in minutes | |
| Segment3Min | Segment 3-length of segment, in minutes | |
| Segment3Sit | Segment 3-sit, stand, or both | |
| Segment4sitm | Segment 4-mainly sit or stand | |
| Segment4time | Segment 4-starting time of this segment | |
| Segment4tran | Segment 4-means of transportation | |
| Segment4wait | Segment 4-waiting time, in minutes | |
| Segment4Min | Segment 4-length of segment, in minutes | |
| Segment4Sit | Segment 4-sit, stand, or both | |
| TdayMon | Travel day date-month | |
| TravelDayYear | Travel day date-year | |
| Transfer | Change vehicles/means of transportation | |
| Triporig | origination point of trip | |
| Trippurp | Trip purpose | |
| TripDestination | Destination point of trip | |
| Tripmiles | mileage distance of travel day trip | |
| Tripnum | Travel day trip for respondent | |
| Varstrat | Variance strata | |
| Whytrp | Reason for day trip | |
| Wttrdfin | Final trip-day wt (wtperfin * 365) | |
| Year | Year | |
| Hhstfips | Fips State Code (Federal Info. Standards) | |
| StateName | State Name | |
| Hhstate | State Code | |
