[OSM-newbies] postcodes, housenames, speed limits

stead steadved at hotmail.com
Thu Apr 24 09:42:00 BST 2008





> From: blackadderajr at googlemail.com> To: newbies at openstreetmap.org> Date: Thu, 24 Apr 2008 09:38:00 +0100> Subject: Re: [OSM-newbies] postcodes, housenames, speed limits> > Dermot McNally wrote:> >Sent: 24 April 2008 9:26 AM> >To: newbies at openstreetmap.org> >Subject: Re: [OSM-newbies] postcodes, housenames, speed limits> >> >2008/4/24 Andy Robinson (blackadder) <blackadderajr at googlemail.com>:> >> >> Yes, I add them sporadically as I have time. The number of lanes should> >be> >> the number of lanes that make up the way. So for a divided road where> >there> >> are too ways like a motorway then it would be lanes=4 for a normal three> >> lane motorway (because of the hard shoulder). Most dual carriageways> >would> >> be 2. For single carriageway roads the lanes will normally be 2 with 1> >for> >> >I have a problem with this interpretation. A hard shoulder should not> >count towards the lane total. If you can't drive in it, it isn't a> >lane, IMO. If we feel we wish to capture the existence of a hard> >shoulder then that's another discussion.> > I was expecting someone to point this out. My take is that the root tag is> the the highway and it has a number of lanes, not all of them necessarily> used. For instance, the M42 around Birmingham now has hard shoulder running> at certain times. So lanes=4 is right. The reason the physical number of> lanes ought to be 4 in my view is that in most countries, at least for new> roads, there is a standard lane width, therefore you can draw the road width> to scale if you like just knowing the number of lanes and the standard width> of a lane.> > having said all that I agree that knowing that only three lanes of a> motorway can be used is important too, so I would suggest this be another> tag, running_lanes=3. Its really only motorways where this issue crops up> (plus a few 3 lane roads where the central lane has been chevroned) so> having two tags for motorways and the few exceptions is probably no big> deal.> > But anyway, this is only my view and a larger set of the userbase may have a> different opinion.> > Cheers> > Andy> >
 
could you just have
 
Hardshoulder=true/false
 
then if its true for map drawing purposes you'd have the extra lane?
> >> >Dermot> >> >--> >--------------------------------------> >Iren sind menschlich> >> >_______________________________________________> >newbies mailing list> >newbies at openstreetmap.org> >http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/newbies> > > _______________________________________________> newbies mailing list> newbies at openstreetmap.org> http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/newbies
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