Midnight Mass.
A midnight version of Critical Mass, an event where where bicyclists and, less frequently, unicyclists, skateboarders, inline skaters, roller skaters and other self-propelled commuters take to the streets en masse.
Please bring blinkies to avoid law enforcement encounters.
Official Website: http://www.slccriticalmass.org/component/option,com_fireboard/Itemid,26/func,showcat/catid,2/
Added by saltcycle on September 8, 2007