On Fri, Jun 21, 2019 at 5:49 PM Greg Troxel <[email protected]> wrote: > Joseph Eisenberg <[email protected]> writes: > > > This requirement is fine for Europe, but the presence of lane markings > > is not reliable in all of the world. > > > > In developing countries, such as here in Indonesia, the presence of > > painted lane markings is inconsistent. Often cheap pain is used > > instead of more durable thermoplastic, so the markings only last a > > year. After that the road still functions the same, even though the > > markings are no longer visible. > > It is not just about developing countries. In my part of the US, there > are many roads whicha have either no paint at all, or have white lines > at the edges (so you can see where the edges are at night). Almost all > of these roads are wide enough for two cars to pass comfortably, but not > really wider than that. This seems really obviously one lane in each > direction, and everybody who drives here gets that. There is a legal > requirement to stay on the right of the imaginary center lane (absent a > reason such as passing a pedestrian); you can be cited for "operating > left of center" entire reasonably on a two-cars-wide road with no > markings -- but that will only happen if you are left of center > egregiously or on a blind curve or rise. > > > So that's a long way of saying that "lane markings" should not be > required for lanes=N; it is enough to observe the local conventions
In that example, I think it'd be better to just tag width=* instead of lanes=*.
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