"Alan Mintz" [email protected] wrote on 30/12/2010 at 04:16:22 +1100
subject "[OSM-talk] Turn left restriction on two way highways" :

> You should map the exceptions (where left-turn IS allowed).

-1

I would say: map the restriction.

Mapping the allowed_left_turn is not recognisable by artificial
intelligence in an reliable way.  What about a road making a curb to
the left and an other road coming from front. The computer will not be
able to recognize.

If the defaults are mapped on the country boundary, what if I download
only a small area instead of feeding the whole planet.osm file to my
routing engine? The engine will not be aware of the default values.

-- 
Sincerely 
Hendrik Oesterlin - email [email protected]


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