The city is currently in the process of expanding a modern streetcar network. In December 2007, the city inaugurated its South Lake Union Streetcar line between Westlake Center and stops in the South Lake Union neighborhood. In 2009, the Seattle city council approved a second line, the First Hill Streetcar, to connect First Hill to Link light rail at Capitol Hill and International District/Chinatown stations. The line began service in 2016 after two years of delays. Metro Transit also operated a historic Waterfront Streetcar line that ran along Alaskan Way, but the streetcar's maintenance barn was demolished to make room for the Olympic Sculpture Park, resulting in the subsequent closure of the line. King County Metro now operates a replacement bus line that mirrors the route. The proposed City Center Connector project would connect the South Lake Union and First Hill streetcars into a single line with a routing along 1st Avenue in Downtown Seattle.