Yosemite National Park, in conjunction with the California Highway Patrol (CHP), held a surprise inspection for all commercial for hire multiple passenger tour buses in Yosemite National Park last Friday, September 24, 2010. The purpose of this unannounced inspection was to ensure visitor safety through safe operation of tour buses. The goal of these unannounced inspections is to reduce chances of crashes, injuries, and fatalities involving tour buses bringing passengers into the park. https://www.nps.gov/yose/learn/news/businspections2010b.htm