[Tagging] How to tag house numbers based on decametres?

John Smith deltafoxtrot256 at gmail.com
Sun Oct 11 06:58:44 BST 2009

2009/10/11 Liz <edodd at billiau.net>:
> On Sun, 11 Oct 2009, John Smith wrote:
>> I can't think of a good solution for this, a few years ago they
>> renumbered all properties along roads outside of residential areas to
>> be the distance in decametres (10s of metres, 100m would be #10 etc)
>> from the start of the road, they also have even on the right, odd on
>> the left, this makes it easier for emergency services to find places
>> because its based on distance.
>> I doubt there would be an easy was to interpolate this information for
>> display, but it could be used to work out end points for routing, and
>> all we need to know is which end of a way is the start, the rest can
>> be worked out.
> There are 53 pages on how to make this work on the victorian document in this
> link http://tinyurl.com/yhv7ady
> and perhaps someone looking at their numerous examples of solutions for hard
> cases would find them useful?

I'm not sure how unique numbering properties based on distance is to
AU/NZ, but they have made similar changes with the exit numbers on US
interstates being based on the nearest mile marker from some nominated
start point on the road.

At this stage I'm thinking that this information can probably be
attached directly to the way, rather than the usual method of adding a
different way and then linking it to the road, since the single most
important piece of information is where the start of the numbering

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