[talk-ch] Pls, don't delete sidewalks, visual impaired people might use them

Andreas Bürki abuerki at anidor.com
Thu Aug 24 21:09:28 CEST 2017

Am 24.08.2017 um 19:27 schrieb marc marc:
> Hello,
> It is not me :-)

Lucky you. ;-)

> But as talk a few weeks on talk mailing list, create a separate walkway 
> when in fact it is actually connected to the road breaks the routing.
> A routing suggests that you can always cross the road when in reality it 
> is not always true (barrier, hedge, ...).
> Another assumes that you can never cross if there is no path between the 
> barrier and the road.
> For now, IMHO the best solution is to add the tag sidewalk to the road 
> when the counter is against the road. The kerb tag is then useful for 
> people with reduced mobility. The geographic precision is less but in 
> any case the gps regularly have an imprecision as great as the width of 
> the road.

Hmmm... not sure about that. IMHO the prob with tag sidewalk added to
highway is, the the width of the street. How a gps will know it?

Personally I prefer separate mapping of sidewalks. And of course, you
have to do that carefully in order not to break other mapping/routing.

> There is a proposal to improve routing for separate trotters but it is 
> not completed and no routing to my knowledge uses it
> PS: Look for the example described on talk, you will see funny results.

Any link?

cheeers, h.

> Regards,
> Marc
> Le 24. 08. 17 à 19:07, Andreas Bürki a écrit :
>> Hello
>> Have noticed, there is a "sidewalk cleaner" under way doing some nasty
>> work in Berne.
>> Please Mr. Cleaner, don't do that. There is a reason for sidewalks
>> mapped beside of the street: Visual impaired people, so called blind people.
>> In a long run, highway:footway  and highway:footway + footway:sidewalk
>> will serve as basis for a map for visual impaired people.
>> Thx for your cooperation and understanding.
>> cheeers, h.
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Andreas Bürki

abuerki at anidor.com
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