It'll certainly lead to some interesting changes in our behaviors. Established roads between cities will be the best way to trade and travel. The potential dangers can be combated by bringing an escort for large trades or by having multiple branching roads to reduce the odds of being caught in any one trap. Establishing multiple milestones to travel along will also help a lot, as if you get blocked at one you can just travel to the next milestone and continue.
Internal roads will make navigating throughout your own base blissfully easy and pleasant. So there's that at least.