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Puget Sound Regional Council (PSRC) Household Activity Survey Analysis Report, 2006 (ICPSR 35350)

Principal Investigator(s): Cambridge Systematics, Inc.; Mark Bradley Research and Consulting


The PSRC Household Activity Survey Analysis Report, 2006 was conducted to provide regional data for the Puget Sound Region travel demand models; the assessment of current activity and travel patterns; the evaluation of attitudes, preferences, and choices with respect to travel; and the estimation of future activity and travel within the region. After an initial telephone screening, survey participants received mailed travel diaries to aid in documenting travel information for the 2-day assessment period. Respondents were instructed to record their mode of transportation, trip purpose, number of passengers, departure and arrival times, ride fare, and parking cost. Demographic information for this study includes age, gender, education, employment status, and household income.

Series: Metropolitan Travel Behavior Survey Series

Access Notes

  • Data in this collection are available only to users at ICPSR member institutions. Please log in so we can determine if you are with a member institution and have access to these data files.


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Study Description


Cambridge Systematics, Inc., and Mark Bradley Research and Consulting. Puget Sound Regional Council (PSRC) Household Activity Survey Analysis Report, 2006. ICPSR35350-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2014-10-07. https://doi.org/10.3886/ICPSR35350.v1

Persistent URL: https://doi.org/10.3886/ICPSR35350.v1

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Scope of Study

Subject Terms:    automobile ownership, automobile use, automobiles, carpools, commuting (travel), driving habits, employment, household income, households, licenses, public transportation, travel, vehicles, work, working hours

Smallest Geographic Unit:    Traffic Analysis Zones

Geographic Coverage:    Seattle, United States, Washington

Time Period:   

  • 2006

Date of Collection:   

  • 2006

Unit of Observation:    Individual, Household

Universe:    Households within the four county Seattle region (King, Kitsap, Pierce and Snohomish counties).

Data Type(s):    survey data

Data Collection Notes:

For additional information on all waves of the Seattle Household Travel Survey, please visit the Metropolitan Travel Survey Archive Web site and the Puget Sound Regional Council Web site.


Study Purpose:    The purpose of PSRC Household Activity Survey project was to provide data for the Puget Sound Region travel demand models, for the assessment of the current activity and travel patterns, and for the estimation of future activity and travel within the region under various policy scenarios. It was a goal of this project to improve planners' ability to evaluate impacts of future policies and actions on travel patterns and transportation facility use through the development of a database that not only captures the current status of activity and travel in the region but also includes attitudes, preferences, and choices with respect to activities and travel. Data were collected to support analyses of personal and household level travel choices and to be used in activity choice models used to predict the effects that changes in land uses, policies, demographic, or economic standing have on travel behavior in the region.

Study Design:    For the PSRC Household Activity Survey Analysis Report, 2006, basic demographics, activities, and tour and travel characteristics were collected for every member (including children) of 4,746 households during a consecutive 48-hour travel period. Vehicle GPS data were collected from a subsample of 220 of these households, with completed activity/travel diaries also collected for each household member (up to three vehicles per household were equipped with GPS units). Finally, a follow-up attitude perception and stated preference (SP) survey was conducted with a subsample of 916 respondents whose revealed trips fit criteria of interest for possible public transit and highway toll alternatives. A customized preference/choice survey instrument was generated using actual origin-destination data taken from trips reported in the household activity survey.

Sample:    The minimum sample size for the base household activity survey was set at 4,600 households. This was divided between a main sample and transit rider and transit access oversamples. A two-day activity/travel diary was collected for all members of sampled households. The sample size for the stated preference survey was set at a minimum of 800 individuals sampled from the 4,600 households who completed the household survey. For more information please see the "Original P.I. Documentation" section of the ICPSR codebook.

Time Method:    Longitudinal: Panel

Weight:    There are no weight variables included in this data collection. For more information on methodology, please see the "Original P.I. Documentation" section of the ICPSR codebook.

Mode of Data Collection:    mail questionnaire, telephone interview

Response Rates:    19.9 percent

Extent of Processing:   ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:

  • Standardized missing values.
  • Checked for undocumented or out-of-range codes.


Original ICPSR Release:   2014-10-07

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