But in the neighborhood where the new line runs, it’s called the South Lake Union Trolley — or, the S.L.U.T. At Kapow! Coffee, a shop in the old Cascade neighborhood, 100 T-shirts bearing the ...

On a recent weekday I rode around on the South Lake Union Streetcar, hoping to catch the vibe as city leaders debate whether to expand the now 16-year-old trolley system through downtown.

The promise of South Lake Union, a high-tech neighborhood being built effectively from scratch, is that it will be clean, green and above all, no longer wedded to the automobile. Says Vulcan ...