Making a difference. Together.

Big Data, but Small and Personal Data, too!

May 19, 2021 -- We are happy announce the release of a new open method in collaboration with Trey Hahn and Valeria L.: Online Journaling. A flexible, easily deployable method to collect both personal cycling stories and build a larger dataset. Check it


Take a listen to a brief interview with Carol Kachadoorian on the Cycling Past 50 databook on KCBS radio, Wednesday, May 12, 2021.

We are partnering with the Mineta Transportation Institute, which has just published Cycling Past 50: A Closer Look into the World of Older Cyclists.

Go to Let's Collaborate for more information.

dblTilde Collaborative is a group of experienced and skilled transportation professionals who are passionate about creating active transportation networks.

We specialize in small area active transportation plans and programs that make it possible for people of all ages and abilities to walk, bike, and use transit. Our planners, data analysts, and communications collaborators are on-hand to provide guidance and recommendations to increase mobility in your community.

About our name

The Tilde symbol has several uses and meanings, including repetition, approximation, and flirtation. All of these are characteristics of a well-functioning active transportation system. Double tilde brings us closer to equity, which is why we chose to use it.