@Jesus Smith Nandez
The only problem is the player base wont work with that change. Vulnerable trade, travel, movement in general... It's a ripe plum for the picking. And it would be picked to the point of devastation. let alone the time and effort to set up such travel points just to have them preyed upon and such. In an ideal situation it would work. But you have to accredit the faction, raider, and griefer mindset that upsets the balance.
With none of the protections civilization posses' trying to create a civilized infrastructure is futile. There are not enough players to patrol roads, local people to add a watch... let alone the ability to be around all the time as a real person in the situation might be.
Fast travel is and has been the best work around to that flaw. And to date I have heard no other solution that truly solves the problems removing ti would spawn.