[2023] Observations on the "Blue Canyon" glitch

I think I know what you're talking about. It's the weird road or path glitches that rip through a map sometimes.

I know they are sometimes caused by certain really old road layouts or interchanges from around the time the game came out. Messing around with road anarchy mods and/or Move It can also cause it, but in my experience that's less likely to happen.

Have you been building your city up in the same way each time? Perhaps there is a space on the map that triggers it or some interchange you're using each time since it keeps happening for you.

I haven't encountered a map having it happen consistently, but I guess it's also possible. What map are you using?