[Tagging] Classification of roads in the CBD?

[Andrew Harvey]

>From talk-au Brisbane was just updated with the comment "As a local to
Brisbane, I have fixed the roads to better represent the importance of them
in terms of connectivity to other roads around the Brisbane CBD."

Outside of CBDs the highway tag values are based around the importance of
the road in the road network which I realise is a bit subjective but still
a good guide. The roads in the city (when I say city I mean the CDB or
"downtown" as americans might say) that are directly fed traffic from the
major roads that lead into the city would have a higher classification than
those in the city that are only accessible by turning off these roads.

On Mon, 14 Mar 2022 at 16:10, Graeme Fitzpatrick <graemefitz1 at gmail.com>
wrote:

> Question that came up in regards to a Note in Australia:
> https://lists.openstreetmap.org/pipermail/talk-au/2022-March/015968.html
>
> Most of the streets forming the main traffic grid in the CBD of Brisbane,
> Queensland are mapped as secondary, with others as tertiary:
> https://www.openstreetmap.org/#map=16/-27.4704/153.0256.
>
> The highway wiki is more about open road highways & doesn't discuss the
> use of the various tags to show the importance of inner-city streets,
> although I did see one comment that seems to agree:
> https://wiki.openstreetmap.org/wiki/Talk:Tag:highway%3Dsecondary
>
> Looking at other major cities, there's a wide variety obvious:
> London: https://www.openstreetmap.org/node/107775#map=14/51.5081/-0.1222
>
> Manhattan: https://www.openstreetmap.org/#map=13/40.7747/-74.0049
>
> Berlin: https://www.openstreetmap.org/#map=14/52.5160/13.3917
>
> Tokyo: https://www.openstreetmap.org/#map=15/35.6750/139.7555
>
> As far as I can see, there's never been a discussion on CBD roads, so lets
> have one!
>
> How should they be mapped? By the amount of traffic they carry, or what?
>
> Thanks
>
> Graeme
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