[Talk-us] Prima Facie Speed Limits

Martijn van Exel m at rtijn.org
Tue Sep 9 15:47:24 UTC 2014

I'm of the opinion that wherever the speed limit is just the default for
that road class, it should not need to be posted at all. Any data user can
then infer limits.


On Mon, Sep 8, 2014 at 3:27 PM, Tod Fitch <tod at fitchdesign.com> wrote:

> Thus far I've only applied the maxspeed tag to roads with a posted speed
> limit. But here in California most residential roads are not posted,
> instead there is a state wide prima facie limit:
> http://www.dmv.ca.gov/pubs/vctop/d11/vc22352.htm
> I am considering tagging the unsigned speed limit on residential roads in
> my area and am thinking of tagging the authority of the speed with
> "source:maxspeed=US:CA:residential" based on an extension of the type of
> things I see at http://wiki.openstreetmap.org/wiki/Key:source:maxspeed
> How does this sound? Objections? Is there a better way?
> Thanks!
> Tod
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