Projects & Studies

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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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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Caltrain Downtown Rail Extension

The Downtown Extension is a plan to extend Caltrain and future California High-Speed Rail service from 4th and King rail yard to the newly-constructed Salesforce Transit Center.

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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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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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The Buchanan Mall Bulb-outs project will enhance safety and connectivity for people walking to the Buchanan mall and surrounding neighborhood by implementing improvements at two intersections, as evaluated and recommended in the Western Addition Community Based Transportation Plan. Improvements include sidewalk widening, new bulb-outs with ADA curb ramps, and utility and drainage relocation at the intersections of Buchanan Street and Golden Gate Avenue and Buchanan Street and Turk Street.

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Western Addition Community-Based Transportation Plan

The Western Addition Community-Based Transportation Plan brought local residents, community organizations and transportation agencies together to address the neighborhood’s transportation challenges.

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Portsmouth Square Community Based Transportation Plan

This Community Based Transportation Plan for Portsmouth square will analyze the new park design and explore existing transportation and circulation around the park.

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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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Cars headed toward San Francisco on the freeway

101/280 Express Lanes and Bus Project

Express and carpool lanes on the 101 and I-280 freeways could help move more people in fewer vehicles.

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People crossing San Jose Avenue after exiting the Muni light rail.

Geneva-San Jose Intersection Study

Through this study, the SFMTA developed conceptual design improvements to address safety issues near the Geneva-San Jose Intersection.

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A new Caltrain vehicle headed to San Francisco

Caltrain Electrification

The Caltrain Electrification project will bring fully electrified service to Caltrain.

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A rendering of the Treasure Island development

Treasure Island Transportation Program

The Treasure Island Transportation Program will address the island's growing transportation needs with a goal to have at least 50 percent of trips made by transit instead of private vehicles.

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Balboa Area Transportation Demand Management

The Balboa Area Transportation Demand Management Framework process was designed to initiate collaboration between the City, City College of San Francisco, and surrounding neighborhoods in the effort to encourage sustainable transportation choices in the area.

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Alemany Interchange Improvements

Finalized in April 2017, the Alemany Interchange Improvement Study outlined a list of safety and accessibility recommendations for the Alemany interchange.