[OSM-talk] definition of the main highway-tag

[Martin Koppenhoefer]

2009/8/1 John Smith <delta_foxtrot at yahoo.com>:
>
> --- On Sat, 1/8/09, Martin Koppenhoefer <dieterdreist at gmail.com> wrote:
>
>> Which are those cases? Maybe the tertiary was not
>> connected? Did you
>> check the map data in the area? Usually bad routing results
>> come from
>> bad map data ;-)
>
> Yup, the map data was correct, navit just did weird things and unclassified roads weren't involved, I was just pointing out other routing mistakes :)

OK, but actually this is a navit bug then, because I hope we all agree
that a tertiary road should be prefered to a residential road in
routing. Still I encourage you to check the data: "weird things" in
routing are best hints for mapping bugs.

Martin