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DOE OSTI · 1924684

2011 Seattle Tolling Impact Survey

Team, TSDC [National Laboratory of the Rockies]
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Abstract

The 2011 Tolling Impact Survey measured the impact of tolling on travel behavior in Seattle, Washington. The Volpe Center conducted the survey on behalf of the U.S. Department of Transportation and the Urban Partnership Agreement. The population surveyed included drivers, public transportation users, carpoolers, and vanpoolers using the SR-520 corridor in Seattle. The survey was conducted in two phases—before and after toll implementation—to evaluate related attitude changes. The survey assessed route changes, trip timing, trip purpose, and travel mode (i.e., single-occupancy vehicle, carpool, or public transportation).

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1Hz data32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATIONattitudes and preferencesdrive cycleslight-duty vehiclesmicromobilitypublic transitregional household surveysmartphonetransit surveytravel behaviortravel modesvehicle GPSwearable GPS

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Team, TSDC [National Laboratory of the Rockies]. 2026-07-22. 2011 Seattle Tolling Impact Survey. https://doi.org/10.15483/1924684

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