Transit U Improvement Project
Sign Up For Construction Updates Here
Construction Updates
May 13, 2026: Mission and Fremont Sewer Work Update: Work Now Starting on Wednesday, May 20th.
Sign Up For Construction Updates Here
Construction Updates
May 13, 2026: Mission and Fremont Sewer Work Update: Work Now Starting on Wednesday, May 20th.
Overview: February 2026 Update
The City continues to move forward with traffic signal upgrades and accessibility improvements at key intersections. Over the next three weeks, crews will be focused on completing signal punch list items, coordinating with utility providers, and finalizing curb ramp installations.
These efforts aim to enhance pedestrian safety, improve traffic flow, and support accessibility for all street users.
Work Schedule: January 19 – February 22, 2026
San Francisco Public Works partnered with SFMTA to upgrade traffic signal infrastructure at 16 intersections in the Western Addition Neighborhood. The scope of work included wiring, Pedestrian Countdown Signals (PCS), Accessible Pedestrian Signals (APS) pushbuttons, vehicular signal heads, poles and mast-arms, and signal controllers. Additionally, curb ramp work, sidewalk work, curb and gutter work, median work, and local base repair and paving work is included in this contract.
San Francisco Public Works has partnered with SFMTA to improve safety at several intersections throughout the city. Contract No. 65 New Traffic Signals will add new traffic signals at 8 key intersections.
Alemany Boulevard, located beneath the Highway 280 and 101 interchange, is a heavily trafficked, auto-dominated corridor associated with freeway on- and off-ramps. The Alemany Interchange Improvement Project will deliver critical upgrades to improve safety, accessibility, and the overall appearance of the area. Pedestrians frequently travel between San Bruno Avenue and the northern side of Alemany, home to the Alemany Farmers Market.
Project Description
Project Description
San Francisco Public Works, in partnership with the San Francisco Municipal Transportation Agency (SFMTA) and the San Francisco County Transportation Authority, is undertaking improvements to the bike and pedestrian pathway in the area known as the “Hairball”—a complex network of bridges and ramps connecting to Highway 101 at the intersection of Cesar Chavez Street, Bayshore Boulevard, and Potrero Avenue.
Traffic Advisory: Caltrans Bay Area has scheduled daytime lane closures from Monday, March 15, 2021 through July 2021, Monday through Friday on U.S. 101 Lombard Street between U.S. 101 Van Ness Ave and Lyon Street for a series of roadway improvements.
The project will involve:
Project Background
Construction of the Inner Sunset Streetscape Improvement project began September 2017, after years of collaboration between city agencies and community partners. The two-year construction project, will improve the N Judah service, beautify nearby neighborhoods and make the streets more livable, vibrant and sustainable.
The project is a partnership between the San Francisco Municipal Transportation Agency (SFMTA), Public Works (SFPW) and the Public Utility Commission (SFPUC). The work under this contract consists of transit bulb-outs; curb ramps; sewer replacement; landscape improvements; electrical work; water line replacement and street paving along Irving Street between Arguello Boulevard and 19th Avenue, 9th Avenue between Irving and Judah streets, and 10th Avenue between Irving and Judah streets.
Additionally, streetscape improvements will occur at the existing transit bulb-outs in Cole Valley at Carl and Cole streets, as well as Carl and Stanyan streets.
The project is focused on improving the quality of life of the Inner Sunset and Cole Valley neighborhoods by upgrading existing infrastructure. Multiple improvements are incorporated into the project in order to avoid further disruptions and service shutdowns.
View more information at SFMTA - Muni Forward
Project Highlights:
Description of the scope of work:
Road repaving and curb ramp upgrades on Irving Street between Arguello Blvd. and 19th Ave., and 9th and 10th Avenues between Irving and Judah Streets