[HOT] Trunks in Highway Tag Africa

Ralf Bernhardt raabee at gmx.de
Wed Jan 27 19:11:43 UTC 2021


So the East African tagging guidelines are matching  Tanzania's Ministry
of Transport designations but not Kenya's official designation. That's
interesting



Am 27.01.21 um 18:37 schrieb Vao Matua:
> Fernando,
>
> Are there some specific locations where you feel the highway tagging
> is not correct?
> In Tanzania over the last 4 years there has been a great deal of work
> to get the transportation network to an appropriate tagging scheme
> including trunk roads to match the Tanzania Ministry of Transport
> designations.
> Hopefully this effort won't be used to reverse the progress made in
> east Africa.
>
> Regards,
>
> Emmor
>
> On Mon, Jan 25, 2021 at 5:58 AM Fernando Trebien
> <fernando.trebien at gmail.com <mailto:fernando.trebien at gmail.com>> wrote:
>
>     Hi!
>
>     The current definition of highway=trunk for Africa [1] and East Africa
>     [2] appears to reflect mapping practices in some highly developed
>     countries that are not common in most developing countries. The two
>     points that I find very restrictive:
>
>     1. Restricted to motorised vehicles: not mandatory even in many
>     developed countries [3]
>     2. Motorway-like layout with multiple lanes: does this include single
>     carriageways with 2 lanes, 1 lane per direction?
>
>     In the English wiki, the definition of highway=trunk is less
>     restrictive, and so are many of its translations. In addition, many
>     highways mapped as highway=trunk in Africa (and East Africa) do not
>     meet these requirements and apparently did not at the time [4] of the
>     edit.
>
>     Sometimes trunk roads may not even be paved. Examples include the
>     A-360 [5] and P-504 [6] routes in the Russian Far East and the
>     Trans-Amazonian Highway (BR-230) [7] in the North Region of Brazil.
>     Iceland's Ring Road [8] was also unpaved until recently in some parts.
>
>     So, I would like to propose changing the definition in [1] to
>     something like what the English wiki says: "The most important roads
>     in a country's system that are not motorways." Possibly adding that
>     these are generally the main routes between very large cities. What do
>     you think?
>
>     [1] https://wiki.openstreetmap.org/wiki/Highway_Tag_Africa
>     <https://wiki.openstreetmap.org/wiki/Highway_Tag_Africa>
>     [2]
>     https://wiki.openstreetmap.org/wiki/East_Africa_Tagging_Guidelines
>     <https://wiki.openstreetmap.org/wiki/East_Africa_Tagging_Guidelines>
>     [3]
>     https://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Access_restrictions
>     <https://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Access_restrictions>
>     [4]
>     https://wiki.openstreetmap.org/w/index.php?title=Highway_Tag_Africa&type=revision&diff=1337238&oldid=1337236
>     <https://wiki.openstreetmap.org/w/index.php?title=Highway_Tag_Africa&type=revision&diff=1337238&oldid=1337236>
>     [5] https://www.openstreetmap.org/?mlat=58.53671&mlon=125.38264
>     <https://www.openstreetmap.org/?mlat=58.53671&mlon=125.38264>
>     [6] https://www.openstreetmap.org/?mlat=64.57219&mlon=142.27424
>     <https://www.openstreetmap.org/?mlat=64.57219&mlon=142.27424>
>     [7] https://www.openstreetmap.org/?mlat=-3.68545&mlon=-53.56702
>     <https://www.openstreetmap.org/?mlat=-3.68545&mlon=-53.56702>
>     [8] https://www.openstreetmap.org/?mlat=64.78732&mlon=-14.44138
>     <https://www.openstreetmap.org/?mlat=64.78732&mlon=-14.44138>
>
>     --
>     Fernando Trebien
>
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