Research Reports

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Technical Report

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Traffic congestion is a recurring problem with temporal and spatial aspects that affect our lives daily. Providing choices such as increasing transit ridership is part of a balanced and diversified approach to addressing the problem. This project is divided into three parts to address how transit can address this multifaceted congestion problem. The first part investigates the successes and failures of transit and transportation network company (TNC) partnerships on ridership. Transit agencies have partnered with TNCs to attract ridership by providing first/last mile access or substituting for low performing fixed route service. TNCs may have induced travel demand by car and reduced public transportation ridership in other areas. The second part examines employer-provided financial incentives on commute behavior. Using an extensive data set from State of Washington’s Commute Trip Reduction program and other sources, the role of fare discounts and parking prices will be analyzed. The third part analyzes changes in ridership due to changes in the built environment, evaluating the impact of transit station area built environment changes (e.g., crosswalks, bicycle lanes) on transit ridership and access mode. We will identify changes in walking and biking infrastructure around rail station across time using longitudinal satellite imagery and compare changes relative to control areas.

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Policy Brief.pdf (250 kB)
Policy Brief