[Tagging] Dispute prevention: meaning of lanes tag

Martin Koppenhoefer dieterdreist at gmail.com
Mon Apr 23 12:51:55 BST 2012


Am 23. April 2012 13:45 schrieb Martin Vonwald <imagic.osm at gmail.com>:
> the road, we need some recommend value for est_width. If we agree on,
> that most cars have a width of something around 2 meters, a good value
> for the estimated(!) width of "a road with two lanes, which is so
> narrow, that vehicles most slow down to pass each other" is about 4
> meters - therefore the recommendation to use est_width=4.
>
> Is everyone fine with that?


+1


> I would also like to get some more opinions on either 1) est_width or
> 2) width and source:width=estimated should be used.


I prefer the second form. You will never have widths with cm
precision, so they will always be somehow estimates, because even if
you measure them precisely they won't probably be exactly the same 10
or 100 meters away from this spot.

cheers,
Martin



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