[OSM-talk] Highways tagging vs Polygon

[Mario Salvini]

Richard Bullock schrieb:
> Am I missing something, or can we not just assume that e.g.
>
> each highway=residential has a speed limit consistent with urban areas in 
> that country - unless explicitly tagged otherwise
>
> e.g. in the UK, highway=residential would be 30mph (48.28032km/h), unless 
> tagged as something else.
>
> each highway=trunk, primary, secondary etc. has a default speed limit 
> consistent with rural areas in that country - unless tagged otherwise.
>
> each highway=motorway has a default motorway speed consistent for that 
> country.
>
> That way, we only need to tag major through routes in cities, and rural 
> roads which do not have the usual national speed limit.
>
> The same thing applies for access restrictions. We don't need to tag that 
> roads are accessible for cars - that should be assumed unless tagged 
> otherwise
>   
highway=residental _isnot_ the same as "build-up-area in the meaning of 
traffic laws".
E.g. commercial- or industry-areas which are "in town" by traffic 
law/signs don't have "residential roads".

And thats just one example.

Regards
Mario