Ah thank you, I misinterpreted. I assumed it was talking about changes to the routes themselves over time. I don’t know why, but train-to-train transfers makes

Ah thank you, I misinterpreted. I assumed it was talking about changes to the routes themselves over time. I don’t know why, but train-to-train transfers makes more sense. Okay, in that case, I agree fewer is the better word. ;) There could still be reasons to use ‘least’ subjectively - for example the locations, time of day, traffic, and wait time between transfers may matter.