It also runs on the assumption that the only people on the road are car drivers. But you might get tractors, cyclists, hikers / runners, horse riders etc. Even

It also runs on the assumption that the only people on the road are car drivers. But you might get tractors, cyclists, hikers / runners, horse riders etc. Even people just casually out for a walk with their family. And a lot of these types of roads might not have footpaths either.