[OSM-talk] Turn restrictions ambiguity

kaerast kaerast at qvox.org
Fri Apr 24 10:13:06 BST 2009


Ed Loach wrote:
> I don't know how
> routing engines work out when one way at a junction has priority
> over another (or whether they even bother - I guess the best
> available at present is to compare names and/or refs).

Why do we need to know which way has priority?  Yes it is nice to know 
some times, but no other maps show this and it just isn't necessary.  It 
tends to be "slower" roads which you need to give way on, and these are 
already given a lower priority in routing algorithms.

-- 
Alice




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