The San Mateo County Transportation Authority

The San Mateo County Transportation Authority (TA) plans, funds, and delivers transportation programs and projects throughout San Mateo County.

The TA manages the voter-approved Measure A and Measure W sales taxes that generate revenue to help improve transit and relieve congestion. The TA is an independent agency and is governed by an appointed board of seven directors, who are elected officials, representing the county, cities and the San Mateo County Transit District.

Call for Projects

Quick Links

2025 Cycle 1 Measure W RTC Banner v2
2025 Cycle 1 Regional Transit Connections
Undercrossing of US 101 in Redwood City
Active 101
Mid County Multimodal Jumbotron
Mid County Multimodal Strategy
Barriers View
Connect4SSF
Measure W Expenditure Percentages
Measure W
TA Funded Map
Funded Projects Map
101 Express Lanes Project
SM 101 Express Lanes Projects
SM 101 Express Lanes Policy
SM 101 Express Lanes Joint Powers Authority
Measure A Expenditure Percentages
Measure A

Latest News

TA celebrates Bike to Wherever Days
San Mateo County Transportation Authority leads Bike to Wherever Days events this week
As part of this regional celebration, the San Mateo County Transportation Authority (TA) is h...
San Mateo County Supervisor Jackie Speier
Former Congresswoman Jackie Speier joins TA Board
The San Mateo County Transportation Authority (TA) is pleased to welcome former U.S. Congress...
Artist rendering of a multimodal vision for Fashion Island Boulevard and 19th Avenue in San Mateo
TA set to implement new five-year strategic plan
DJI_01010-topaz-high fidelity v2-2x-2_0
TA awards $27M to sustainable transportation projects
A Cruise automated vehicle testing on the streets of San Francisco.
California’s first county-wide AV strategic plan
Artist rendering of the newly designed SR 84-US 101 Interchange
TA celebrated $105 million grant for SR84-US101
Online mapping tool for the TA's Active 101 project survey
TA launches new voting tool to collect public input
TA bike path funding - SMCTA
New multimodal strategy for US 101 corridor

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2023 onward, all Board meeting agendas are available on our agenda management platform. Any other public meeting agendas (or for all public meeting agendas prior to 2023) are still located and searchable here or at TA Meetings Calendar | SMCTA

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