[OSRM-talk] Beginner question: default car profile and tracktype/smoothness/surface

[Martin Koppenhoefer]

2014-03-17 16:49 GMT+01:00 Michal Palenik <michal.palenik at freemap.sk>:

> which opens the question of country/region wide default values for eg
> maxspeed, ...
>


There is docu about this in the wiki, but the general stance on this is
that there is no such thing as a "default" in osm: if a value if missing it
might be the default, but it might just as well be missing information. In
Italy (and elsewhere) we are using maxspeed=* for the speed limit, also if
not signposted but implicit, and then add an additional tag source:maxspeed
to keep track whether this is explicit or implicit:
https://wiki.openstreetmap.org/wiki/Key:source:maxspeed
(explicit limits get a "sign" value).

cheers,
Martin
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