Originally Posted by
HvypurplePylot
That's because we are looking at pairings and not lines. Company makes the pairings, sig strings them together as lines.
A line contains pairings that turn through a hub. "Whose on first?"
Looks like I did miss a sample trip. Trip 13 can be strung together to turn through a hub. But other than that, I don’t see anymore.
What’s on second?