The Bay Lights is a monumental light sculpture inspired by the 75th anniversary of the Bay Bridge. Artist Leo Villareal will network 25,000 individually programmable LED lights to create patterns across the western span of the bay bridge. It may be the world’s largest LED light sculpture!
After it is officially lit on March 5, 2013, it will be on display every day from dusk to 2 a.m. for two years, viewable from San Francisco and points north.
More info here: thebaylights.org