To facilitate the erection of scaffolding for Buildings 50A and 50B, Perlmutter Road will be closed to vehicles and pedestrians from 6 a.m. on Saturday, May 4, until 6 p.m. Sunday, May 5. Use caution in this area and follow signage and direction from security and construction personnel. https://pim.lbl.gov/resource/site-construction-map-updates/