Sorry .. I have not made that clear ..

The default speed limit for motorways on OSM  in, say, Australia would be 
taking regionally, while that for USA would be different and taken for that 
region?

See http://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Maxspeed ?


On 9/04/2015 4:16 PM, Lukas Sommer wrote:
b) values would interpreted by region. Most of the world would be Celsius, USA 
would be Fahrenheit. (Similar to defaults for speed on roads.)
Please note that speed limits are _not_ interpreted by regions.
http://wiki.openstreetmap.org/wiki/Key:maxspeed states that the unit
has to be added explicitly when it’s not km/h – independent of the
region where you are mapping.

Region-dependent interpretation of units is IMHO a quite bad idea.

2015-04-09 5:41 GMT, Bryce Nesbitt <bry...@obviously.com>:
How it's entered into the database, and how it's displayed, are two
separate things.  Humans are messy.  Unless the API starts validating
entries, entries will vary in format, even if we officially say that "46 C"
is the official format.  But software can parse and normalize numbers.

That said: temperature=___ is a problematic tag regardless of the
formatting of the data.




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