+1
Pieter-Jan Pauwels
Community Coordinator, Open Knowledge Belgium
m: +32 476 66 27 77 <tel:+32 476 66 27 77> | e: pieter-jan.pauw...@okfn.org
<mailto:pieter-jan.pauw...@okfn.org> | w: okfn.be <http://okfn.be/>
> On 20 Nov 2015, at 23:46, Ben Abelshausen <ben.abelshau...@gmail.com> wrote:
>
> They analyse based on zoom level 12 tiles, a bigger margin of error for
> smaller countries it says in the blogpost...
>
> Maybe we can get the source of whatever mikel did and rerun in more detail
> just for Belgium...
>
> Cheers,
>
> Ben
>
> from https://www.cia.gov/library/publications/the-world-factbook/geos/be.html
> <https://www.cia.gov/library/publications/the-world-factbook/geos/be.html>
>
> total: 154,012 km
> paved: 120,514 km (includes 1,756 km of expressways)
> unpaved: 33,498 km (2010)
>
> Mapbox: 111,684 km
>
>
> https://www.cia.gov/library/publications/the-world-factbook/geos/nl.html
> <https://www.cia.gov/library/publications/the-world-factbook/geos/nl.html>
> total: 138,641 km (includes 3,530 km of expressways) (2014)
>
> - no mention of unpaved roads there
>
>
> It might be the unpaved part, should be investigated further for other
> countries.
>
> m
>
> On Fri, Nov 20, 2015 at 9:51 AM, Marc Gemis <marc.ge...@gmail.com
> <mailto:marc.ge...@gmail.com>> wrote:
> > 100% in Germany, The Netherlands, Luxembourg as well. Wonder why the
> > CIA thinks there are so many hidden roads in Belgium :-)
> > Or (more seriously) why the definition of road would be different for
> > Belgium compare to the other countries.
> >
> > I cannot tell for Bolivia, but the Belgian roads are similar to other
> > Western European countries, so I would expect the CIA to use the same
> > definition there.
> >
> > On the blog that was mentioned, you find a twitter address to contact
> > the Mapbox people. Maybe they can help ?
> >
> > regards
> >
> > m
> >
> >
> > On Fri, Nov 20, 2015 at 9:30 AM, joost schouppe
> > <joost.schou...@gmail.com <mailto:joost.schou...@gmail.com>> wrote:
> >> I think in the CIA's imagination :)
> >>
> >> Huge differences like that, I'm afraid it says more about the differences
> >> of
> >> the definition of what consists of a motor road. For instance, I know the
> >> road network in OSM Bolivia to be far from complete as to smaller motor
> >> roads, but it's way over 100% of the CIA number. So they probably only took
> >> the main road network as a measure. Meanwhile, OSM is mapping roads that no
> >> other map has ever mapped :)
> >>
> >> 2015-11-20 9:00 GMT+01:00 eMerzh <merz...@gmail.com
> >> <mailto:merz...@gmail.com>>:
> >>>
> >>> Interesting.... thanks for the link ....
> >>>
> >>> but it seems surprising no?
> >>> France is at 100% and us at 73? ... it's kind of low no? any idea where
> >>> those road are?
> >>>
> >>> 2015-11-20 6:52 GMT+01:00 Marc Gemis <marc.ge...@gmail.com
> >>> <mailto:marc.ge...@gmail.com>>:
> >>>>
> >>>> Mapbox made a tool [1] to see how complete the road networks in a
> >>>> country are. Belgium got a 73%
> >>>> They blogged about it in [2]
> >>>>
> >>>>
> >>>> regards
> >>>>
> >>>>
> >>>> m
> >>>>
> >>>>
> >>>> [1] https://www.mapbox.com/data-platform/country/#belgium
> >>>> <https://www.mapbox.com/data-platform/country/#belgium>
> >>>> [2] https://www.mapbox.com/blog/how-complete-is-openstreetmap/
> >>>> <https://www.mapbox.com/blog/how-complete-is-openstreetmap/>
> >>>>
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> >>
> >>
> >>
> >> --
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