Seattle's two grand train stations, King Street Station (1906), and Union Station (1911, originally the Oregon and Washington Station), sit blocks apart at what is now the south end of downtown. When they were built, they were in the commercial center of the city, running north through a tunnel that goes underground at 4th and Washington.

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In the following century, we added automobile traffic, Seattle's first streetlight, buses, light rail, and streetcar, all connecting to the ever-evolving ferry system in Puget Sound. South Downtown is shaped by transportation. These studies look at new projects and evaluate older ones for future use.