From Marin County Bicycle Coalition website:
When completed, the North-South Greenway will provide an environmentally sound transportation route that will be a model for the nation for alternative transportation and the reduction of greenhouse gas emissions.
Disclaimer: All project trails listed on TrailLink.com are in various phases of development and may not be open for public use. Rails-to-Trails Conservancy does not manage any trails listed on TrailLink.com. To learn more about the current status of trail development, please look in the "Related Links" section below to find contact information for the local organization or agency responsible for trail management.