Hi Greg,

On Mon, Aug 10, 2020 at 09:01:26AM -0400, Greg Troxel wrote:
> Florian Lohoff <[email protected]> writes:
> 
> > Not just deprefer. Without user consent there should be NO usage of
> > steps AT ALL.
> 
> I can see that view, but there is another which is that if you want to
> get from here to there on a bike, sometimes you need to carry it.
> Surely it's better to do that 10m on steps than ride an extra 100 km,
> for almost everyone, maybe everyone.  By that logic bike routes would
> never take ferries either.    I meant deprefer in a very serious way,
> sort of 10m of steps equivalent to maybe somewhere 2-5km of cycling.
> 
> > Which would be inline with the osm wiki which says
> > "access=no/foot=yes" as implicit defaults.
> 
> In OSM, typically physical construction and access are kept somewhat
> separated.   I was assuming this was true, and should have checked.
> It's not clear to me whether carrying a bike falls under foot access,
> but given that default, I would say that steps should indeed be treated
> as access=no for bicycle routing.
> 
> So I believe that osmand should be changed to treat steps as unusable
> for bicycle by default.
> 
> > But still using a rail should be an option to select for the routing
> > profile not just assume that aunt tilly can carry her 30kg ebike up
> > steep steps on a rail.
> 
> There's another issue which is that a "30 kg ebike" is not necessarily a
> "bicycle" depending on where you are.  But there's alawys more
> complexity in routing lurking.

This is why i say steps should be avoided completely and be made
passable by flag e.g. 

        "If it has a rail"
        "If less than 5 steps or 2meters"
        "Never"

Something like that. When i am bikepacking with my 2 kids going up
stairs is a significant hurdle as they cant carry their bikes by 
lifting or even push up a rail.
Same goes for people with child trailers or aunt Tilly in the 70ies
travelling with her 30kg ebike.

Currently the cost of using steps does not seem to be significant
and people seem to tag bicycle=no to avoid osmand using it although
the osm wiki says it should be default.

Flo
-- 
Florian Lohoff                                                 [email protected]
        UTF-8 Test: The 🐈 ran after a 🐁, but the 🐁 ran away

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