I agree with Andrew Harvey's comments. Thanks to Aleksandar for raising this issue which has also vexed me.
On Tue, 17 Nov 2020, at 7:52 AM, Andrew Harvey wrote: > > > On Tue, 17 Nov 2020 at 00:04, Aleksandar Matejevic (E-Search) via > Talk-au <talk-au@openstreetmap.org> wrote: > > Hi all, > > I have noticed that the majority of ramps in Australia tend to have > > descriptive names and that naming format/system is not unique. Also, it is > > 50-50 between named and unnamed ramps. > > > > I have researched ramps across all Australia, looked at Mapillary, OSC, > > government data, OSM history. On street level imagery I could not find any > > named ramp. In some cases there was an exit number, and it was tagged as > > junction:ref because it is not a name of the exit, but all I could find > > were just destination signs. However, on OSM, ramps had names which in > > some cases contained information for destinations (John Willcock Link > > (Eastbound) to Brand Highway) or their function (Pacific Highway > > On/Offramp). Government data was descriptive in some cases, there was no > > name in others so no consistency there also. > > > > I think that ramps do not have names and therefore should not contain a > > name key in OSM (only if there is a specific name for it, then it should > > have a name key). Exit numbers should be added as junction:ref and > > signposts data should be added either as destination relation or > > destination key on the way so routing algorithms could pick that info and > > give instructions like: "Take the exit toward X,Y,Z". If there is a name, > > instructions will be like: "Take left to X,Y,Z onramp/offramp”. > > > > I am raising this question in hope to get some kind of consensus how to > > treat these cases across Australia, so all the ramps have the same format > > (conclusion could be added to Australian Tagging Guidelines on wiki page > > for all editors to have as instruction). > > > > What is your opinion on this? > > > Great question, I agree with you that most offramps don't have names > and shouldn't have a name tag in OSM. Something like "Princes Highway > Offramp" unless signposted as that shouldn't be used in my opinion. > Instead we should map the destination sign relation (so routers can > give correct instructions like "Take exit N towards X" which match the > signage) and omit the name tag. > > Not every road way needs a name. > > On Tue, 17 Nov 2020 at 07:28, Ian Bennett <ibenn...@tpg.com.au> wrote: > > As a user, I would prefer to hear what I'm looking at. In other words, the > > sat nav is saying what > > the signage is showing. > > In this case it's best we omit the name tag in OSM where we've mapped a > descriptive non-signed name so that routers don't waste time telling > you the descriptive name like "Princes Highway Offramp" and instead can > focus on what is usually signed, the destination and optionally exit > number. > > _______________________________________________ > Talk-au mailing list > Talk-au@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-au > _______________________________________________ Talk-au mailing list Talk-au@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-au
