[OSM-talk] Why quality is more important than routing speed

[John F. Eldredge]

However, you can't be certain, without personally checking the street in question, whether the street really has no speed limit signs, or whether the person who added the street to the map simply failed to add the speed limit tag.

-- 
John F. Eldredge -- john at jfeldredge.com
"Reserve your right to think, for even to think wrongly is better than not to think at all." -- Hypatia of Alexandria

-----Original Message-----
From: David Murn <davey at incanberra.com.au>
Sender: talk-bounces at openstreetmap.org
Date: Mon, 05 Jul 2010 10:06:55 
To: Talk Openstreetmap<talk at openstreetmap.org>
Subject: Re: [OSM-talk] Why quality is more important than routing speed

On Sun, 2010-07-04 at 19:44 -0400, Anthony wrote:
> On Sun, Jul 4, 2010 at 6:33 PM, Roy Wallace <waldo000000 at gmail.com>
> wrote:
>         On Sun, Jul 4, 2010 at 10:34 PM, Anthony <osm at inbox.org>
>         wrote:
>         >
>         > How do you use speed limit tags when
>         > only 5% of the roads are tagged with them?
>
>
>         Think longer-term.
>
> Okay.  How do you use speed limit tags when only 8% of the roads are
> tagged with them?

Well, legally in Australia anyway, any road not sign-posted with a
limit, has an implied limit of 50.  It would be nice to have a layer
like noname, which shows ways without speed limit defined, to fix the
data for exactly this reason.

David



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