Balloon tracks are interesting, but how about wyes, or even better, overlapping wyes? Here is a map scan of Napa Junction, California, once operated by the Southern Pacific and now the California Northern. The tracks include a “normal” wye, connecting the lines to Fairfield (northeast track) connecting with the “outside world” at former SP, now UP mainline, Napa (northwest track), and Vallejo (south track), as well as a “scissors” wye leading to the former Northwestern Pacific (west line, now only so far as Lombard) with the Napa and Fairfield lines. This used to be a very busy place with tens of thousands of carloads of lumber coming from the NWP at the Schellville interchange, some miles west of Napa Junction.
Mark
