> > > I think that they generically belong to Proposed > features/hazard<http://wiki.openstreetmap.org/wiki/Proposed_features/hazard> > of which the article in the discussion is very eloquent regarding the wide > scope or that tag. > I am surprised that this proposition is 6½ years old and that taggers have > been tagging that much time without much concern with what it contains or > can be extended to (and taggers, who seem more interested in adding new > features than readjusting what was done, will probably rarely come back to > add hazards). > In particular, I have started tagging speed limits and I was perfectly > astounded that absolutely no 30 km/h limit tagged so far indicates > school/children safety. 30 km/h limits are often of that kind however and > they are important to know as a child can burst from between two parked > cars. > I have slightly amended hazard=school_zone, especially to cover a crossing > in that zone. >
What all proposed keys (trafficability, traffic_issue, roadnote, hazard) have in common is that we wish to alert people about something important about a given road. But why only roads? So why not a more generic tag to alert people about all sorts of problems? For example a beach where your leg may become shark's breakfast if your are not careful: natural=beach alert=text alert:text:en=Risk of shark attack alert:severity=danger Real-life example: Boa Viagem beach in Recife, Brazil. Have a look at the signpost: http://www.bbc.co.uk/news/world-radio-and-tv-19720455 here the idea of "alert=text" would be to make explicit that this particular alert is not yet covered by any established key-value. For well defined alerts one could use pre-defined keys alert=school_zone alert:severity=hazard The pre-defined keys could have implicit alert:severity levels, so for example alert=school_zone could implicitly be alert:severity=hazard which would require then only one tag alert=school_zone The use of the word "alert" would make the action clear to renderers and routers: they have to alert the user in some way. cheers Gerald
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