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Database Name: Nationwide Personal Transportation Survey (NPTS)
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Table NameDescription
Day Trips (1990)The Day Trip File contains specific information about each trip taken by respondents during the travel day (typically the day before the interview occurred). Travel day trips were classified as segmented trips if the respondent indicated that some mode of public transportation was used on the trip and a transfer from one vehicle to another took place while using the public transportation.
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Day Trips (1995)The travel day trip file consists of one record for each trip taken by an interviewed person in a useable household.
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Households (1990)The Household File contains household-Level demographics such as geography and household composition.
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Households (1995)The Household File contains household-level demographics such as geography and household composition.
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Person Trips (1990)The Period Trip contains information about longer trips (75 or more miles one-way) that took place during the two weeks prior to a respondent's interview.
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Person Trips (1995)Travel Period Trip consists of data that is asked once for every trip of atleast 75 miles one way that the person took during a 14 day period ending on travel day. A record is present only when a qualifying trip was made by the respondant.
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Persons (1990)The Person File contains person-level characteristics for members of households that participated in the NPTS
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Persons (1995)The Person File contains person-level characteristics for members of households that participated in the NPTS
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Segmented Trips (1990)For segmented trips, additional data are collected for each segment of the trip. All segmented trips are represented in both the Day Trip File and the Segmented Trip File.
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Segmented Trips (1995)Data for upto 4 segments of each segmented travel day trip the person made on travel day . It consists of pieces of travel day trips if transit or Amtrack was used.
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Vehicles (1990)The Vehicle File contains information about each vehicle in responding households.
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Vehicles (1995)The Vehicle File contains information about each vehicle in responding households.
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