[Talk-GB] Classification of roads

Steven Hirschorn steven.hirschorn at gmail.com
Thu Aug 19 18:16:44 UTC 2021


There's an interesting issue in that there are a lot of arguments locally
about whether there is any distinction at all between A roads, B roads and
other roads (as the government are encouraging local authorities to close
non A- and B- "residential" roads to through traffic). I did wonder whether
this edit was to stick an oar into that argument which isn't what OSM is
for. But then I didn't know whether there was a definitive answer.

The outcome of the modal filter between Felix and Alexandria Roads (and the
short one way stretch), a "no right turn" from Argyle Road into Broadway,
and a modal filter that used to be on the corner of Northfield Avenue and
Leighton Road was that the Alexandria/Felix route was the shortest way for
traffic southbound on Drayton Green Road to get to the roads southwest of
Broadway/Drayton Green Road junction.

On Thu, 19 Aug 2021 at 18:35, Tom Hughes via Talk-GB <
talk-gb at openstreetmap.org> wrote:

> There is no such thing as a "C" road in many areas.
>
> Each local authority has it's own classification system
> for roads below the A/B level - some of those include a
> class known as C and some don't.
>
> OpenStreetMap does not use those local authority classes
> in any general way because they vary a lot from authority
> to authority in what they mean and how accessible the
> classifications even are.
>
> Tom
>
> On 19/08/2021 18:20, Chris Andrew wrote:
> > Steven, all,
> >
> > Is a Tertiary Road a 'C' road? This would be indicated on the local
> > Definitive Map (copyrighted?).
> >
> > Chris
> > chris_debian
> >
> > On Thu, 19 Aug 2021, 18:01 Steven Hirschorn, <steven.hirschorn at gmail.com
> > <mailto:steven.hirschorn at gmail.com>> wrote:
> >
> >     Hi All,
> >
> >     I have an OSMCha alert set up when people edit OSM in my area and
> >     the other day someone changed the classification of a road from
> >     tertiary to residential. Is there somewhere where this
> >     classification is recorded officially, or is the distinction between
> >     tertiary and residential in the UK sufficiently vague that a road
> >     could be represented as either?
> >
> >     Here's the changeset:
> >     https://www.openstreetmap.org/changeset/109772829
> >     <https://www.openstreetmap.org/changeset/109772829>
> >
> >     Steven
> >     _______________________________________________
> >     Talk-GB mailing list
> >     Talk-GB at openstreetmap.org <mailto:Talk-GB at openstreetmap.org>
> >     https://lists.openstreetmap.org/listinfo/talk-gb
> >     <https://lists.openstreetmap.org/listinfo/talk-gb>
> >
> >
> > _______________________________________________
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> > Talk-GB at openstreetmap.org
> > https://lists.openstreetmap.org/listinfo/talk-gb
> >
>
>
> --
> Tom Hughes (tom at compton.nu)
> http://compton.nu/
>
> _______________________________________________
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> Talk-GB at openstreetmap.org
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>
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