For my Garmin both B5065 examples are routed correct by Mapsource. If the OSRM heuristics are wrong, than OSRM should get a ticket to make its engine better.
Cheers, Johan 2013/6/18 Philip Barnes <p...@trigpoint.me.uk> > On Tue, 2013-06-18 at 16:45 +0100, News wrote: > > > > > > You are correct, we are talking about unclassified and tertiary roads. > > > Although this problem also occurs on secondary, primary and trunk > roads, > > > a classification is a measure of importance and not always quality. But > > > where did the turning lane come from? or even lanes in many cases? > > > > > > Here is an example of why this tag is needed, and obviously support > from > > > routers. > > > > > > http://osrm.at/3Hs > > > > > > This route misses two important left turn instructions, the > instructions > > > should be > > > Turn left onto B5065 in both cases. > > > > > > Here is the first junction http://goo.gl/maps/ouXTC > > > > > > and the second, which is a very definite left turn, but easily missed > as > > > routers assume you are continuing on the same road, without the > > > instruction anyone following instructions is likely to carry straight > on > > > http://goo.gl/maps/DSDbt > > > > > > > Excellent examples Phil. I hope to redo this so may well use those > > I can provide some photos to replace the streetview if it will help. > > Phil > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > http://lists.openstreetmap.org/listinfo/tagging >
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