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!
Events
Critical Mass
Stay in touch
Sign up for our free newsletter
More from Streetsblog San Francisco
Commentary: The Horrifying Sound of Traffic Violence
Bernal residents could have woken to the sound of a reckless driver crashing into concrete. Instead, another man is dead in a city that isn't yet serious about Vision Zero
October 15, 2025
Gov’s Signature on SB 63 Launches Campaign to Fund Transit
There will be a ballot measure to fund Bay Area transit in November of 2026. But now the real work begins: building support, gathering signatures, and getting a majority of voters to approve it
October 14, 2025
