[Tagging] lanes = 0

Warin 61sundowner at gmail.com
Sun Jun 23 23:55:12 UTC 2019

The width default unit is metres, see 
https://wiki.openstreetmap.org/wiki/Map_Features/Units for other units 
and how to state them.

For a road I would tag the minimum width - so any vehicle entering can 
pass along the entire length and not get stuck.

On 24/06/19 07:56, Nita S. wrote:
> Without digging deeply into width, presumably it measured in meters ? 
> I can see value there, but the width has to be an average, and the 
> cleared area for passage of vehicles.
> On Sun, Jun 23, 2019 at 3:12 PM Paul Johnson <baloo at ursamundi.org 
> <mailto:baloo at ursamundi.org>> wrote:
>     On Fri, Jun 21, 2019 at 5:49 PM Greg Troxel <gdt at lexort.com
>     <mailto:gdt at lexort.com>> wrote:
>         Joseph Eisenberg <joseph.eisenberg at gmail.com
>         <mailto:joseph.eisenberg at gmail.com>> 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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