Manhattan Critical Mass
- When
- December 29, 2006 7:00 pm
- Where
- Meet at Union Square (north side)
- More Info
- Time's Up!
Critical Mass is a monthly celebration of bicycles and other nonpolluting means of transportation, exercising our right to the road. Critical Mass is a movement, not an organization; no two riders participate for exactly the same reason. New York City’s first Critical Mass was in 1993.


