[OSM-newbies] Maxspeed

[Seventy 7]

 Ideally you would be explicit, but personally I don't tag every single
way with a maxspeed (or lanes or smoothness or surface or width ...).
As for routing, an assumption that highway=residential is 30 unless it
says otherwise and everything else is 60 unless it says otherwise (or is
a motorway/dual carriageway) would probably work ok.

  ----- Original Message -----
  From: "Steve Bennett"
  To: newbies at openstreetmap.org
  Subject: Re: [OSM-newbies] Maxspeed
  Date: Mon, 8 Mar 2010 21:06:53 +1100


   On Mon, Mar 8, 2010 at 1:14 AM, Seventy7  wrote:
  > I wouldn't do it this way. I would leave maxspeed off all the roads
  tagged
  > highway=residential and only tag the ones other than these, i.e.
  the
  > small section of the approach roads where they pass the boundary?

  I think because of the way OSM works that it's usually better to be
  explicit. A road with "maxspeed=50" has a clear meaning. A road
  without a maxspeed could mean that there is no limit, that the limit
  is defined by some local rule, that it simply hasn't been mapped, etc
  etc.

  Steve

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