The E Line is one of six RapidRide lines (limited-stop routes with some bus rapid transit features) operated by King County Metro in King County, Washington. The E Line began service on February 15, 2014, running between Aurora Village Transit Center in Shoreline and Pioneer Square, Seattle in Downtown Seattle. The line runs mainly via Aurora Avenue N and 3rd Ave. At the Aurora Village Transit Center passengers can connect to Community Transit's Swift Bus Rapid Transit to Everett Station.