[talk-au] Tagging for the router

Phillip and Kerrie philkez at gmail.com
Wed Aug 31 20:06:45 UTC 2016


I think that the idea that car navigation is for visitors would mean that
it was very important that the routes that get displayed know about local
custom.
My suggestion is that the map data is the best place to store that
information.

On 31 Aug 2016 11:42 PM, "Nick Hocking" <nick.hocking at gmail.com> wrote:

> "I'm assuming you mean the Intersection with Lane Cove Rd.
>
> If so it's not permitted to make a u-turn here anyway, as there is no
> sign permitting u-turns at the traffic signals.
>
> So I'd not add it as a restriction as anyone driving there should know
> that they can not make a u-turn there."
>
>
> Ok - since you ask - all routers I just tried , both on osm data and
> commercial data allowed the U-turn at the traffic lights at lane cove
> road.   So do we contact all known writers of routing software and ask them
> to obey the local traffic norms, or do we force their hand and put in the
> restriction.
>
> Actually Gosmore nearly got it right but then spoiled it by doing
> something even more stupid immediately afterwards. I think that routing
> engine need to be made a lot smarter to handle edge cases where drivers can
> evaluate geometry a lot better and accurately than routers.
>
>
> PS - it is my belief that car navigation is mainly for visitors, not
> locals, so I think that routing engines should not try to be aware of local
> customs.
>
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