[UPDATE: Link fixed.]
Historic Seattle is presenting a DSTT history tour May 22 at 9 am:
Bus tunnel team leads May 22 tour
Leaders of the design team for the Metro bus tunnel will explain how each station was developed during a Historic Seattle program from 9 a.m. to noon May 22.
Phil Jacobson, Mark Spitzer and Jack Mackie are presenters at the event, which begins at the Klondike Gold Rush Historic Park auditorium, 168 S. Jackson St., Seattle.
The cost is $25 for the public, $15 for Historic Seattle members and $10 for students.
The tunnel opened in 1989, and represented the largest collaboration of engineers, architects and artists in Seattle’s history, according to Historic Seattle.