[Tagging] Sample tagging for highways with no lane markings

yo paseopor yopaseopor at gmail.com
Tue May 22 16:33:31 UTC 2018

I'm not agree with that , Martin
Road markings are real, touchable, checkable, objective...estimated width
and estimated lanes not. OSM data serves to a lot of apps with lane
indications, if we drop this then the apps will show erroneous information
or less exact information.

 One of the problems of driving in Rome is that people overtakes you in a
one-lane-street for every side they can turn it. If police would punished
them this problem will not exist as not exists in the other countries of
Tagging in OSM has to be clear, scalable, objective...as road marks should

Salut i marques vials

On Tue, May 22, 2018 at 5:18 PM, Tod Fitch <tod at fitchdesign.com> wrote:

> In reviewing the wiki in preparation to fixing some of my older mapping,
> it seems there is an inconsistency in how to tag a road that is wide enough
> to two lanes of traffic but is lacking lane striping.
> In the lanes description [1] it says "the lanes=* key should be used to
> specify the total number of marked lanes of a road." But in the out of town
> highway tagging sample page [2] with a photo described as "smaller road,
> maybe tertiary with appropriate administrative status" it shows a lane
> count on a road with no markings.
> Am I correct in believing that the example photo should have its tagging
> changed, dropping the lanes=2 and adding a width tag (if the width is known
> or can be reasonably estimated)?
> My current interest is in fixing the tagging for residential roads that
> are wide enough for bi-directional traffic with legal parallel parking but
> have no markings on the pavement. I don't see a exact match to that in
> either the urban [3] or rural highway [2] tagging example pages.
> To use the street I live on as an example, am I correct that a residential
> road with bidirectional traffic and parallel parking with no markings
> should be tagged as:
> highway=residential
> surface=asphalt
> parking:lane:both=parallel
> width=40’0"
> maxspeed=25 mph
> If, and only if, a center strip is added then lanes=2 should be added. (I
> actually measured the width in this case but for hope to be able to use the
> measurement tool on aerial imagery in JOSM for most cases).
> Is my current understanding correct? If so, I will update the wiki pages
> for both the urban and rural highway tagging examples to reflect that and
> will take some photos of the roads in my area to make additional examples.
> [1] https://wiki.openstreetmap.org/wiki/Key:lanes#Description
> [2] https://wiki.openstreetmap.org/wiki/Highway_tagging_
> samples/out_of_town
> [3] https://wiki.openstreetmap.org/wiki/Highway_tagging_samples/urban
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