Critical Mass

10:37 PM PDT on July 24, 2011

Critical Mass is a mass bicycle ride that takes place on the last Friday of each month in cities around the world. Everyone is invited! No one is in charge! Bring your bike!

Aaron Bialick

Aaron was the editor of Streetsblog San Francisco from January 2012 until October 2015. He joined Streetsblog in 2010 after studying rhetoric and political communication at SF State University and spending a semester in Denmark.

Critical Mass

Stay in touch

More from Streetsblog San Francisco

Headlines, October 24

Friday Video: Amtrak Is Way More Successful Than You Think

Vision Zero Cities: Bicycles Are Not Cars So They Shouldn’t Have to Follow the Same Rules

Report: Lessons from California’s HSR Project

Talking Headways Podcast: Life After Cars

Transform : Traffic Congestion Is a Housing and Transit Problem, Not a Highway Problem