The Waterfront Streetcar, officially the George Benson Waterfront Streetcar Line, was a heritage streetcar line run by King County Metro in Seattle, Washington, United States. It traveled for 1.6-mile (2.6 km) along Alaskan Way on the city's waterfront facing Elliott Bay, under the Alaskan Way Viaduct. The Waterfront Streetcar used a fleet of five W2 trams from Melbourne, Australia.