[Talk-ca] Tagging sidewalks as separate ways and issues with bicycle routing

[John Whelan]

Since it is dependent on municipal bylaws then I think it should be 
explicitly tagged.

Cheerio John

Pierre-Léo Bourbonnais wrote on 2020-04-03 2:05 PM:
> The reason why we were asked to add them is for pedestrian security 
> assessment and urban planning. When all sidewalks and crossing are 
> mapped, we can measure crossing distances and estimate the probability 
> of accidents, which can save lives when the cities add curb extensions 
> (avancées de trottoirs). We use openstreetmap data to convince 
> government officials that it is statistically better to take them into 
> account when planning new neighbourhoods or enhance existing ones. 
> Also, it allows us to get better precision and calculate penalties 
> when routiong at traffic signals which must be crossed twice by 
> pedestrian at some intersections. OpenStreetMap objective is to map 
> what is there with the best precision available. When aerial 
> photography was not precise enough for sidewalks, it was not feasible 
> to add them, but now we get precise aerial photos that permit better 
> representativity of the physical world. I can tell you that the amount 
> of precision and completeness in openstreetmap data will increase 
> rapidly in the coming years. And the COVID-19 pandemy will increase 
> the need for precise and complete mapping of urban environments, so we 
> must deal with it accordingly.
> Mapping sidewalks as separate ways is now in the official wiki and has 
> been accepted by the community by vote, so we must now find the best 
> way to accomodate everyone. For now, I am just trying to know if we 
> must add bicycle=no to them.
>
> About the routing directions, we must add the street names to 
> sidewalks (as we do in my team), otherwise like Martin said, routing 
> engines will tell people to turn left, turn right instead of turn left 
> on A street, then turn right on B street, etc.
>
>
>
>
>
>> On Apr 3, 2020, at 13:51, Harald Kliems <kliems at gmail.com 
>> <mailto:kliems at gmail.com>> wrote:
>>
>>
>>
>> On Fri, Apr 3, 2020 at 10:17 AM Martin Chalifoux via Talk-ca 
>> <talk-ca at openstreetmap.org <mailto:talk-ca at openstreetmap.org>> wrote:
>>
>>     What cities allow cycling on sidewalks anyway, seriously ? This
>>     sounds so inadequate. That it is tolerated is one thing, but
>>     outright legal or encouraged ? Makes no sense to me.
>>
>> In the US that's pretty common. For example here in Madison 
>> (Wisconsin), sidewalk riding is generally allowed by ordinance, 
>> except where buildings directly abut the sidewalk (I manually tag 
>> those as bicycle=no).
>>  Harald.
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>
>
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