Re: [OSM-talk-be] Conventions of primary/secondary/tertiary
Hi Kenny, I think I vaguely know that road, the section you describe, and indeed it looks more like a very local road instead of a main road. As most connecting, and more important roads, are secondary, it might be wise to 'scale it down' to tertiary. I have been doing some mapping in the Chimay - Bouillon - Dinant area a bit few weeks ago, and I noticed also there that some quite small roads have a N-number, even roads where 2 trucks can't pass without stopping and pulling over. Guess that when all roads will be mapped it will make sense... A similar 'downscaling' has been done in Antwerpen, where for instance the N1 becomes 'secondary' within the ringway. Guess this can be done in most places that have a ringway to keep transit traffic out of towncenter. Luc / Speedy On Tue, 2009-08-18 at 09:02 +0200, Kenny Moens wrote: Hello guys, On the wiki page the conventions for primary/secondary/tertiary roads are marked with question marks. Is there already a formal definition for those? Until now I've always applied these rules and they apply pretty good, however... some road I have problems with is the N286 connecting Tildonk - Wespelaar - Wakkerzeel - Werchter, the road is still marked as such in the field, both on traffic signs and on the kilometer poles, but the road is (certainly the section Wespelaar - Werchter) barely 4-5m wide... I don't think its a good idea to tag such a road as secondary then... Any suggestions? Kind regards, ___ Talk-be mailing list Talk-be@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-be
Re: [OSM-talk-be] Conventions of primary/secondary/tertiary
Kenny Moens wrote: Hello guys, On the wiki page the conventions for primary/secondary/tertiary roads are marked with question marks. Is there already a formal definition for those? Until now I've always applied these rules and they apply pretty good, however... some road I have problems with is the N286 connecting Tildonk - Wespelaar - Wakkerzeel - Werchter, the road is still marked as such in the field, both on traffic signs and on the kilometer poles, but the road is (certainly the section Wespelaar - Werchter) barely 4-5m wide... I don't think its a good idea to tag such a road as secondary then... Any suggestions? The N286 is no longer a secondary road. The Flemish Region has given the road to the municipalities (Haacht, Herent and Rotselaar), so it's no longer the N286. A little bit of googling will direct you towards the texts of the Staatsblad. But of course it takes a while before the road numbers are all gone on the ground. Chances are there will still be some signs of the N286 in ten years if you look at other cases of demoted N-roads. In order to give future mappers a hint that the road is no longer secondary, I add the tag old_ref=N286 in these situations, because some other mappers will likely make it secondary again and add the ref numbers again. But experience tells me that they usually don't see the old_ref tag and will make them secondary again nevertheless... So basically, just handle the road like you would if it didn't had a road number. It's not exactly a road with trough traffic anymore in some places, so it can well become unclassified there. That said, the question marks on the wiki page were there because the rules were never really written down well -- something I'd like to do if I have some time. Which isn't immediately obvious as it's written down is that you could well bend those rules a little bit to match the topology. If a road has a road number but it lost all functions of handling through traffic, there's no point in keeping it secondary. This bit of N105 for example: http://osm.org/go/0EpLTtUuA- between the R6 and Kasteellaan, is just a small residential street with a dead end. Likewise you could give secondary or primary status to roads that don't have road numbers (for example when a primary road has for some reason a dead end on an unnumbered road which connects it to another primary road a few hundreds of meters further). An example: http://osm.org/go/0EpI5Dea here the Bedrijvenlaan between N109 (also Bedrijvenlaan), and the roundabout on the B101 isn't part of the N109. Yet it is used by all traffic to get there from E19, so you can make it secondary on that little bit. And there is more bending of those rules possible with city centers, roads with suffixes and other special cases where you basically have to decide based on the topology of the road network what to do with them. Greetings Ben ___ Talk-be mailing list Talk-be@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-be
