Currently, there are 4 routes
Go Left: Will lead you to either Maccon's or Rask's route. If you keep going, it'll be Maccon's route. If you head back, it'll be Rask's route.
Go Right: Will lead you to either Tom's or John's route. If you switch with John, it'll be John's route. If you don't switch with John, it'll be Tom's route.