 The bus route serving the Pacific Avenue corridor is planned to be upgraded into a bus rapid transit line by 2022, at a cost of $150 million.Sound Transit, the regional transit authority, provides weekday Sounder Commuter Rail service and daily express bus service to and from Seattle.Sound Transit has also established Tacoma Link light rail, a free electric streetcar line linking Tacoma Dome Station with the University of Washington, Tacoma, Tacoma's Museum District, and the Theater District.