| Terms | Definitions |
|---|
| Vacation Trip | Not listed as a main purpose of travel for the American Travel Survey. Respondents were asked whether or not a specific trip taken was considered as a vacation trip. Respondents were also asked the main purpose of a trip (e.g. sightseeing, outdoor recreation, entertainment, business, etc). ( American Travel Survey (ATS) 1995 ) |
| Value Of Shipment | The dollar value of the entire shipment. This is defined as the net selling value, f.o.b. plant, exclusive of freight charges, and excise taxes. The value data are displayed in millions of dollars. ( Commodity Flow Survey (CFS) ) |
| Vehicle Mile of Travel (VMT) | A unit to measure vehicle travel made by a private vehicle, such as an automobile, van, pickup truck, or motorcycle. Each mile traveled is counted as one vehicle mile regardless of the number of persons in the vehicle. ( Nationwide Personal Transportation Survey (NPTS) ) |
| Vehicle Occupancy | The number of persons, including driver and passenger(s) in a vehicle; also includes persons who did not complete a whole trip. NPTS occupancy rates are generally calculated as person miles divided by vehicle miles. ( Nationwide Personal Transportation Survey (NPTS) ) |
| Vehicle Trip | A trip by a single vehicle regardless of the number of persons in the vehicle. ( Nationwide Personal Transportation Survey (NPTS) ) |
| Vehicle Type | For purposes of the 1990 NPTS, nine vehicle types are: Automobile (including station wagon) Passenger Van Cargo Van Pickup Truck (including pickup with camper) Other Truck RV or Motor Home Motorcycle Moped (Motorized Bicycle) Other (Specify). See Means of Transportation for definitions of these vehicle types. ( Nationwide Personal Transportation Survey (NPTS) ) |
| Vehicles | Includes cars, trucks, vans, recreational vehicles (RVs), and motorcycles. The number and type of vehicles owned or available for use by the household. ( American Travel Survey (ATS) 1995 ) |
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