‘How Many Billboards? Art in Stead’

All of L.A. is a “gallery” for “How Many Billboards? Art in Stead,” a citywide exhibition of 21 specially commissioned billboards by artists including Kenneth Anger, Michael Asher, Kori Newkirk, Allen Ruppersberg and Susan Silton. A companion exhibition and “orientation station” will open at the MAK Center for Art and Architecture at the Schindler House on Feb. 23, and curator-led bus tours will be available. Opens Fri. See www.howmanybillboards.org for details.