Maybe not the landfill, but where ever contractors working on the Park Plaza South project put their old concrete and rebar.
The Tacoma Daily Index has this item about demolition of the hillclimb between Pacific Avenue and Commerce Street. At the lower right is evidence of the entry to the Escalade, Tacoma’s famous moving sidewalks that were meant to ease travel up and down the hills of the shopping district. And we had the name before Cadillac did.
Here are some pix from the TNT morgue showing the excitement surrounding the opening. And yes, those do look like mink coats.
And this one from the Northwest Room of the Tacoma Public Library.
As near as I can tell, the final archaelogical evidence of the system is beneath Park Plaza North, the stairway tunnel that leads from the Commerce Street bus stops to Pacific near 10th Street.