Could KeepRight help? e.g.
https://www.keepright.at/report_map.php?zoom=12=39.95356=-75.12364
Rgds/
- John
On Tue, 4 Dec 2018 at 15:38, Colm Moore wrote:
> Hi,
>
> "roads outside of the main urban areas are not well mapped, having errors
> where roads not properly joined up" - I'm not sure if I concur.
>
> Most days, I use the 'Routing' layer on http://tools.geofabrik.de/osmi/
> to check for broken connections. I prioritise major roads and the closer
> broken connections. Many of the others are where there are
> highway=corridor. In general, the situation in Ireland is much better than
> it is elsewhere in Western Europe (the number of broken connections appears
> to be somewhat correlated with population density / level of human
> activity).
>
> There are roads that were mapped before we had access to aerial photos
> that are a bit on the 'rough' side, but generally those roads are within 10
> metres of where they should be. Given that aerial photos and GPS devices
> often have offset issues, I think that is a reasonable margin of error.
> Number of lanes, surface, etc will of course be lacking on many roads.
>
> There are two main categories of missing roads - housing estates and farm
> access roads. I map all over the country and I find very few through roads
> that aren't mapped.
>
> Other than the likes of Lauravale:
> https://www.openstreetmap.org/node/668051865#map=16/54.3696/-6.4484 there
> are very few urban locations with serious mappings issues regarding roads.
> This map points to some other under-mapped locations:
> http://resultmaps.neis-one.org/unmapped#5/54.940/-7.559
>
> Is there any tool that measures the km of each type of road in an area?
> This could be compared with the data that councils publish (there are about
> 9,000 housing estate that won't show in these numbers).
>
> --
>
> If looking for things to map / fix, how about targeting local notes,
> fixme=* and FIXME=*?
>
> Colm
>
>
>
> Message: 2
> Date: Fri, 30 Nov 2018 15:47:40 +
> From: Tadeusz Cantwell
> To: Discussion of OpenStreetMap in Ireland
> Subject: [OSM-talk-ie] Mapping project
> Message-ID:
> dkaxe...@mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> Now that townlands are mostly done, it would be nice to have a new project
> to focus on. A piece of feedback that came out during the launch was that
> roads outside of the main urban areas are not well mapped, having errors
> where roads not properly joined up, as one example. One way to tackle this
> is set up a project on Maproulette to help triage those small errors. A set
> of criteria can be entered into it, which generates a task for everything
> that falls within it. If you have any pet peeves in the state of our
> 'virtual' roads, fire away. Sorry, we can't fix that pothole!
>
> Tadeusz
>
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