Data Collection Mechanisms

From Cross-Sectional to Longitudinal: The Impact of Sampling Strategies on Measuring Mobility Choices

The transportation profession has long relied on surveys as a main source of data. These surveys are used across a broad range of applications, including but not limited to, travel demand forecasting, travel behavior analysis, policy evaluation, environmental impact assessment, accessibility analysis, and economic evaluation. Despite the increasing accessibility of passive data collection methods, such […]

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Exploring the Changing Dynamics of Household Vehicle Ownership and Use in the U.S.

This project is driven by a pressing need to understand the rapidly evolving landscape of household vehicle dynamics amidst technological advancements and significant societal changes. It focuses on the growing urgency of climate change mitigation and adaptation, a push for equitable mobility for all, and the transition towards vehicle electrification. Aiming to fill the knowledge

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A Pilot Study to Integrate Mobility Data Collection APPs with Personalized Recommendation Systems

Recent years have witnessed many efforts to use smartphones to collect travel data. Typical examples include the automatic collection of sensor data such as location, accelerometer, or microphone readings, and personalized recommendation/behavior modification by gamifying travel and providing incentives for particular mode choices or building route choice models for active transportation modes such as bicycling.

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Measuring the Last-Mile: A Comprehensive Evaluation of Synthesis Approaches to Address Data Gaps for Local Freight Decision-Making (Phase 1)

Currently, few municipal or regional authorities have access to the disaggregate freight activity data needed for planning, operational decision-making, and freight externality evaluation (e.g. air pollution, collision risk). Due to stakeholder privacy concerns, freight data are often aggregated by geography and/or commodity, limiting direct applicability of published data for local analysis. As a result, local

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The Transportation Heartbeat of America Survey

TBD will deploy a comprehensive longitudinal travel behavior and demand survey across the nation for six years to obtain a statistically representative depiction of attitudes, values, choices, socio-economics, demographics, well-being, and mobility and accessibility. The unique aspect of this endeavor is that it will also include a survey of businesses and employers. Through the incorporation

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