The global supply chain crisis and staffing shortages is beginning to hit Seattle area public transit, as buses in need of repair are piling up at their depots, The Seattle Times has reported. King County Metro is the public transit authority of King County, Washington, which includes the city of Seattle, and is the eighth-largest transit bus agency in the United States. A months-long supply shortage caused by delays in manufacturing and shipping have left more buses in need of parts that the county lacks. Finding enough skilled mechanics to repair the buses when the parts do arrive also remains a problem. About 7 percent of the bus fleet is normally sidelined for repairs. Outside of routine maintenance, such as cleaning and oil changes, the number has crept up to 11 percent, or about 160 buses. Some buses have been on the sidelines since August. Missing parts, such as hoses …