Employer-provided commuter shuttles have become a prominent part of the San Francisco Bay Area's transportation network. The "elite tech shuttles" have grown in the past ten years, ferrying at least 7,000 employees between San Francisco and Silicon Valley daily. While the shuttles provide substantial environmental and congestion reduction benefits, they have also engendered great community concerns.
David Weinzimmer and I researched the impacts of the shuttles on commute and residential location choice in San Francisco. We compared travel times by shuttle and transit, and developed and implemented a survey of shuttle riders. For our travel time comparison analysis, we found transit plus a last-mile shuttle takes about 1.3 times as long as shuttles on average, highlighting the time savings by private shuttles. For our survey, we intercepted individuals at nine shuttle stops and received 130 valid responses. Riders choose the shuttle because  it is free,  work productivity, and  to avoid traffic congestion. Nearly half (48%) of respondents would drive alone if the shuttle were not provided, 10% would resign, and 40% would move closer to their job. Respondents cited  ease of walking in neighborhood,  proximity to entertainment, culture, and amenities,  proximity to transit, and  living in an urban neighborhood as the top reasons for choosing their current home.
Our research supports the importance of shuttles as one part of a suite of TDM strategies that help San Francisco reach sustainability and environmental goals. The SFMTA's Commuter Shuttles Policy and Pilot Program is a crucial step in ensuring that the shuttles can fit coherently into San Francisco's transportation network system by minimizing conflicts with Muni buses and other road users, and ensuring a safe transportation system. However, it is important to recognize that the shuttles may exacerbate jobs-housing imbalances by enabling people to live farther away from where they work and allowing Silicon Valley cities to avoid dealing with the consequences of their underproduction of high amenity urban neighborhoods.
>> Download the working paper here.
>> Download the research poster here.
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