> From: [EMAIL PROTECTED]> To: [email protected]> 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: 
> [email protected]> >Subject: Re: [OSM-newbies] postcodes, housenames, 
> speed limits> >> >2008/4/24 Andy Robinson (blackadder) <[EMAIL PROTECTED]>:> 
> >> >> 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> >[email protected]> 
> >> >>http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/newbies> > > 
> >> >_______________________________________________> newbies mailing list> 
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