UTL is about exploring past, present and future urban technologies in science and fiction, etc...
https://en.wikipedia.org/wiki/Honolulu_Rail_Transit
https://www.honolulutransit.org/ride/route-map#gsc.tab=0
https://www.honolulutransit.org/ride/design#gsc.tab=0
https://www.flickr.com/photos/honolulurail/albums/72157646789537353