On 26/02/19 10:59, Sergio Manzi wrote:
+1 here too, and a little bit of the same concerns expressed by Andy
(https://xkcd.com/927/)
BTW, in the Italian mailing list there is currently a thread
discussing if and how we should tag highways according to what are the
official categories in the Italian Traffic Code (/Codice della
Strada/) are.
There the concern is most about how to tag an official classification
(/something that is implicit in the tag value in UK, if I'm not
mistaken/) instead of a "descriptive classification".
Is ther a UK page that has these official classifications? They maybe of
use to fit others classifications to.
But other concerns are emerging too (/at least in my head!/), like the
administrative responsibility under which a given road falls (/state,
region, province, municipality, private/)
Use operator=* ???
and ad-hoc values as input for the router (/s//peed limits, traffic
density, etc./
Rather than the density.. traffic speed could be more usefull? Example
traffic_speed=20 @ 6:00-19:00 Mon-Fri , traffic_speed=15 @ 9:00-17:00
Sat-Sun (yes, busier on the weekends!)/.
/If no traffic_speed then routers use the max_speed../
/
/*OR* a comprehensive "preference"value /).
Keep on going!
Cheers,
Sergio
On 2019-02-25 22:10, Andy Townsend wrote:
On 24/02/2019 14:25, djakk djakk wrote:
I think we should decorrelate the attributes of a road : its
administrative class, its importance in the road network (at least 5
levels), its physical characteristics (motorway-like, two large
lanes, link=yes ...), possibly its traffic characteristics.
So we can tag a secondary motorway or a primary road through a
residential area or an official motorway with pedestrians actually
walking on it.
So that we’ll unify osm road classification through the world
(remember the highway=trunk issue ;-))
It's a noble aim, but unfortunately the first thing that springs to
mind is https://xkcd.com/927/ :)
However, some of the stuff on
https://wiki.openstreetmap.org/wiki/User:Djakk/new_tagging_scheme_for_roads
I definitely agree with, and in some cases actually do do myself -
like trying to capture the physical characteristics wherever relevant.
Best Regards,
Andy
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