Anyone familiar with model railroading: Are there any HOn30" or HOe trolleys, streetcars available?

I am referring to HO Scale (1:87.1) streetcars or trolleys that run on N-scale (1:160) track, to represent equipment that runs on half-scale or 30” gauge track.

I model standard HO scale but have started adding HOn30 to my layout and, it seems to me that the narrow 30” gauge trackage is MORE suitable for the quasi-URBAN scenery of my Euro/American waterfront scenes. (The streets, as planned, are quite narrow, with a lot of it under elevated standard-gauge trackage)—this is a fairly busy North Atlantic port).

I am wanting to add both streetcars/trams AND industrial switchers, the latter which are readily available but the streetcars I’m not so sure about.

ANYTHING anyone knows about HOn30” streetcars (availability, scratchbuilding tips, kitbashing, conversion/adaptation) would be a welcome topic of discussion. I hate to do a lot of scratchbuilding, and it seems to me that standard-gauge trackage is unnatural for narrow city streets—especially with rural-to-urban narrow gauge (30”) trackage already in existence on my layout.