I think a homeless charity or similar program could easily provide Port-a-Johns at some of the most commonly frequented hangouts, if the city allows it. It's done during summer months at one of the main places in Ann Arbor.
And again, unless the law has recently changed, if any public restrooms are made available at least one stall has to be free of charge. [[How distinctly I remember this from Hudson's and their dime stalls).
Bookmarks