Promoting Sustainable Mobility Options for All Ages and Abilities

Transportation accounts for more greenhouse gas emissions than any other source in the majority of our communities.

Single-occupancy automobiles account for the majority of transportation trips. This needs to change.

Current Projects

Learn more about WTB-TAM’s current projects, including the San Rafael Connection, the North - South Greenway, the East Blithedale Avenue Bikeway, and many more…

Past Projects

Since its founding in 1994, WTB-TAM has been intimately involved in dozens of sustainable infrastructure projects in Marin County, helping to win over $150 million in funding.

Document Library

WTB-TAM maintains a comprehensive library of bicycle advocacy, planning, and design documents. Click below to view key documents we’ve digitized for public consultation.

“The bicycle is the most efficient form of transportation on the planet.”

— WTB-TAM President Patrick Seidler