Critical Mass Connexipedia Article Resource Type: Article/Report/Letter A bicycling event typically held on the last Friday of every month.
Critical Mass, Conflicts involving Connexipedia Article Resource Type: Article/Report/Letter Bicycling events resulting in arrests or requiring police presence. Critics claim that Critical Mass, a bicycling advocacy event held primarily in large metropolitan cities, is a deliberate attempt to obstruct automotive traffic and disrupt normal city functions, asserting that individuals taking part refuse to obey traffic laws.