Projects & Studies

Taxis, an Uber, other cars, and people walking in congested downtown San Francisco

Downtown Congestion Pricing

Congestion pricing would involve charging drivers a fee to drive in specific congested areas of downtown to keep traffic and transit moving.

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Southgate Road Realignment

The Southgate Road Realignment will realign Southgate Road, the critical local road connection between the I-80 westbound and eastbound on- and off-ramps.

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I-80 East Side Ramps Project

The new westbound I-80 on- and off-ramps that connect Yerba Buena Island and Treasure Island to the eastern span of the Bay Bridge are open.

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Emerging Mobility Pilot Strategy

Public-private partnerships with emerging mobility companies may result in new opportunities to improve San Francisco’s transportation network.

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TNC vehicle on Market Street with transit and a bicyclist

The TNC Regulatory Landscape

This report provides an overview of existing state and local regulatory frameworks focusing on ride-hail companies, also known as TNCs.

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People standing on a sidewalk with phones and a ride-hail vehicle dropping someone off

Emerging Mobility Evaluation Report

This report provides the first comprehensive look at the rapidly evolving emerging mobility sector in San Francisco.

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TNCs Today

This report provides the first comprehensive estimates of Uber and Lyft activity in the city.

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TNCs and Congestion

This report provides the first comprehensive analysis of how Transportation Network Companies Uber and Lyft collectively have affected roadway congestion in San Francisco.

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Salesforce Transit Center

The Salesforce Transit Center is San Francisco’s new regional transit hub.

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Van Ness Improvement Project

The Van Ness Improvement Project is bringing San Francisco its first Bus Rapid Transit system.

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Central Subway

The Central Subway will extend the Muni T-Third line north from Fourth and King streets, traveling mostly underground to Chinatown.

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San Francisco Transportation Plan

The San Francisco Transportation Plan is the citywide, long-range investment and policy blueprint for San Francisco’s multimodal transportation system.

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This study identifies a set of non-infrastructure strategies to reduce vehicle miles of travel in the district through partnerships between community organizations, developers, and emerging mobility service providers.

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A view of cars and people on the crooked section of Lombard street

Lombard Crooked Street

We continue to work with the governor’s office, Assemblymember Ting, and District 2 Supervisor Catherine Stefani to identify solutions to congestion in the area.

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A freeway ramp intersection with cars, people walking, and people biking

SoMa Freeway Ramp Intersection Safety Studies

The Transportation Authority has been studying how to improve safety at 15 SoMa intersections where freeway on- and off-ramps meet city streets.