Union Square, North West Corner

The last Friday of the month, every month, 7:00 p.m. ...starting at Union Square North (and several other locations, apparently). Come along for the ride!     Critical Mass is an event that began in San Francisco in the early 1990s and has since spread to hundreds of cities around the world. It usually occurs monthly (sometimes weekly). as bicyclists spontaneously come together to ride the ordinarily car-clogged streets of their cities. Critical Mass focuses on the rights of bicyclists and…