Build the road while you are calm, because the person who needs it will be in no state to build anything.
Panic narrows focus, narrowed focus destroys judgment, and a man running for his life will take whichever path is in front of him. So the path has to exist before he does, and it has to be unmistakable, because nothing complicated survives contact with terror.
Receiving land from Yahweh and immediately engineering mercy into its geography is a decision made once, in a clear state, so that it never has to be made again in a ruined one. That is what a system is for. Leaving the borders unmeasured and the roads uncut hands the most consequential decision a person will ever face to the worst hour of their life.