[Tagging] How to tag sidewalk slides

[Alessandro Sarretta]

Hi everybody,

I'm mapping various sidewalks and I'd like to tag the portion of the 
sidewalk that slides down from a higher level to the ground, and then 
maybe goes up again. This happens usually in correspondance with 
driveway entrances (how do you tag them?). You can see an example here 
https://wiki.openstreetmap.org/w/images/thumb/b/b9/Sidewalk_and_zebra-crossing.jpg/240px-Sidewalk_and_zebra-crossing.jpg

For wheelchair accessibility it would be important to characterize it 
with an incline tag: when the incline value its e.g. >5% the 
accessibility can be considered limited, and so on.

One of course could split the sidewalk for a 1 m section and assing a 
specific incline value to it; this might lead to a very fragmented way 
and sometimes it would be easier to simply add a node and assign an 
incline value to it. Even the simple information that there's a portion 
of the sidewalk not horizontal (without a specific value) can be useful.

I've thought about using a node on a footway=sidewalk with 
/sidewalk=slide/ + /incline=<value> /or something similar.

I thought also about using the tag kerb, but in this case it isn't a 
real intersection with the road, so it doesn't seem to be appropriate to me.

Do you have any experience on that or suggestions?

Thank you in advance,

Ale


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