Metro Transit route 12 serves the neighborhoods of Downtown, First Hill, and Capitol Hill. It runs frequently on weekdays and weekends. Electric trolley buses are typically run on route 12.
In Downtown, route 12 makes stops along Pine Street (when westbound), Pike Street (when eastbound), 1st Avenue, Marion Street (when eastbound), and Madison Street (when westbound). On First Hill, route 12 makes stops along Madison Street. On Capitol Hill, route 12 makes stops along 19th Avenue.
On First Hill/Capitol Hill, route 12 terminates either at Interlaken Park (19th Avenue E & E Galer Street) or at 15th Avenue & E Madison Street, depending on the schedule.
In Downtown, route 12 terminates at 4th Avenue & Pike Street, although it continues on as route 10.
Route 12 stops at Virgina Mason Hospital, Swedish Medical Center, Puget Sound Blood Center, and Country Doctor Community Clinic. It also stops four blocks away from Group Health Hospital.
Route 12 stops at Seattle University, Lifelong AIDS Alliance, Miller Community Center, and Seattle Public Library Central Library.
Route 12 stops at Pike Place Market, Madison Market Co-op, and Trader Joe's.