[OSM-talk-be] Road status & width

Glenn Plas glenn at byte-consult.be
Mon Mar 10 17:14:46 UTC 2014


On 10-03-14 18:03, Ben Laenen wrote:
> On Monday 10 March 2014 17:48:06 André Pirard wrote:
>> According to IGN/NGI and the reasoning below, Benedestraat N211a is
>> (officially) a secondary road.
>>
>> The first question is; what is a "primary/secondary/tertiary road?".
>> And why is it useful to know? To make better GPS routing?
> The current conventions are written more or less down here
> http://wiki.openstreetmap.org/wiki/WikiProject_Belgium/Conventions/Highways
> (but the bit written after tertiary about suffix letters isn't really correct,
> and the bit on trunk roads could be changed a bit to include express roads
> that aren't motorroads but don't allow pedestrians and cyclists)
>
> So we're using the road numbers to decide on secondary/primary. These rules
> are up for debate but the problem is getting better definitions so we don't
> risk getting into a discussion for every possible road where one person would
> classify a road primary, while another one thinks it's secondary etc. (*)
>
> The current rules aren't perfect but they generally give maps that are
> satisfactory, since all important roads are managed by our regional government
> and thus have road numbers, and thus are at least secondary.
I think in this specific case that OsmAnd_pieter is actually correct to 
change this road into secondary.   But I don't think it's _that_ 
important (between 2nd or 3rd).   Let's be a sinner and think of 'the 
map' displayed as it is.   Trunk roads, Highways and primaries are 
displayed with enough contrast.   (green, blue , red).

The difference between 2nd and 3rd is hardly visible,   I would say he's 
right.  I live in the area so I know what road that is and it's an 
important one over here, so making it secondary isn't that far of reality.

Glenn




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