But the point about trunk lines is, in my opinion, key, and is what points me toward a more colorful LRT system. NYC uses letters and numbers, but combines those with coloring to create an implicit two-level schema that organizes the routes by their path through Manhattan. I absolutely agree that LRT services would still need letter indicators, but I think coloring them by "trunk line" would make the system much easier to understand. For example, all "Aqua Line" branches would converge at the Seaport, all "Emerald Line" branches would converge at Kenmore and run to Park/GC, and "Green Line" branches are the leftovers (e.g. Huntington + Highland, Nubian, and whatever GLX 2.0 looks like).
I agree that the NYC system of using colors to differentiate paths through the Core could be useful, and then calling the whole thing the Green Line.
As I see it, there would be four kinds of routes:
1. Lines that serve the Kenmore-Boylston Subway. (Green)
2. Lines that serve the Huntington Ave Subway (Teal)
3. Lines running in the subway north of Boylston that don't go to Kenmore or Huntington (Silver Line and Brattle Loop) (Silver)
4. Circumferential Lines (Yellow/Gold)
Bay Village would require special attention, and obviously be dependent on the service patterns offered.
Yes, they would all converge in the Boylston-Lechmere section (athough I could see the Green or Teal cars all ending prior to Lechmere) and then fan out again, but that's actually what's happening.
Also, am I too tired, or are the service patterns could enable a Kenmore-Kendall OSR insane? It seems like there's no way to do it without running a big loop or putting a stub track at Kendall. If you have to run a weird spiral route (Nubian-Boylston-Lechmere-West-Kenmore-GC Loop or Medford-Lechmere-Kenmore-West-Sullivan) your chances of making a decent map seem low. I guess Sullivan-GC would be the best choice, in which case this proposal isn't great given the Lechmere mess.
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