King County Metro is expanding its bus services with nine new routes, thousands of additional weekly bus trips and improved Link Light Rail connections in South King County. Metro Flex – an on-demand transit service and ride app – is also expanding to South King County starting August 31. As a result of the service changes and expansions, some bus routes will be altered, extended, replaced or deleted. By the numbers:Nine new routes: Routes 72, 77, 121, 164, 166, 215, 220, 270 and 902. Featured articleNew Metro Bus RoutesNine new Metro Bus routes will begin running starting Aug. 29, and will operate until March 2027.