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Even with leveling I can imagine a bunch of problems: to drive water away, roads are usually tilted to one side, or even to both, and there's a slight curve to
by necovek 5y ago
Even with leveling I can imagine a bunch of problems: to drive water away, roads are usually tilted to one side, or even to both, and there's a slight curve to them. Depending on the width of the road, that curve will have ever so slightly different characteristics which makes it harder to achieve (compared to humans doing it manually but less consistently).
Still, a lot simpler than laying bricks, which is why it's already there :D
- h2odragon 5y agoRoads are "crowned"; that is, the center is supposed to be higher than the edges, for water to run off. Banking curves is a real thing and you notice when someone got it wrong. Paving a road is a small step compared to building the roadbed; but its what people see. It's probably better to think of that like painting a house, building the road is a much bigger thing, but then it gets the surface refreshed often enough you see that.