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

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

A Cruise automated vehicle testing on the streets of San Francisco.
Strategic plan accepted to help San Mateo County navigate the arrival of autonomous vehicles
The San Mateo County Transportation Authority (TA) Board of Directors accepted California’s...
Artist rendering of the newly designed SR 84-US 101 Interchange
San Mateo County Transportation Authority celebrates $105 million grant for major interchange project
The interchange provides access to San Mateo County residential communities in Redwood City, ...
Online mapping tool for the TA's Active 101 project survey
San Mateo County Transportation Authority seeks public input on Active 101 project with new online voting tool
Active 101 is designed to identify specific projects that will enhance active transportation ...
TA bike path funding - SMCTA
San Mateo County Transportation Authority launches 101 Corridor Connect Mid-County survey — public feedback requested
Highway 101 is essential for connecting communities and supporting the local economy. As part...
101 Express Lanes Project
The 101 Express Lanes Community Transportation Benefit is increasing to $200 on a preloaded FasTrak or Clipper Card
The San Mateo County Express Lanes Joint Powers Authority (SMCEL-JPA) is increasing the benef...
TA bike path funding - SMCTA
Fiscal Year 2025 approved budget includes updated format to improve clarity and transparency
The new Fiscal Year 2025 San Mateo County Transportation Authority (TA) budget goes into effe...
Bay Area Bike to Wherever Days 2024
SamTrans and the San Mateo County Transportation Authority celebrate the 30th anniversary of Bike to Work Day with Energizer Station in Millbrae
SamTrans and the San Mateo County Transportation Authority (TA) are teaming up with the Silic...
101-92 Interchange
US 101/ SR 92 Direct Connector Project wants to hear from public
A pair of meetings are being held to hear thoughts about which alternatives and environmental...
2023 onward, all Board meeting agendas are available on our agenda management platformAny 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