> On Jul 14, 2017, at 11:32 PM, Nick Bolten <nbol...@gmail.com> wrote:
> 
> > --> need to add all driveways?
> 
> This is generally a good idea - and to make sure they share a node.

To me, if you are considering adding sidewalks, you’ve already committed to 
adding the service roads/tracks/etc. 

Adding the hidden crossing (crossing=unmarked) IMHO is the thing to be 
discussed.  

An example of this issue is where a road with no sidewalks meets another road 
with sidewalks, but does not cross it (and is not in an urban environ, so there 
is no real paint to show a crossing=zebra) . Do you add a crossing=unmarked 
that goes from the sidewalk to the node of the road’s T junction? People on the 
sidewalk far side of the T junction will expect to be able to cross the street 
there and continue on the road. 

In my region, even on major national roads sidewalks abruptly stop, let alone 
on tertiary roads. Usually a road is being brought up to a modern standard 
section by section, but the surrounding roads are not. A building project 
forced the adjacent roads to be upgraded, but the beginning and end of those 
roads are still the older narrow versions, such as this tertiary road here:

https://www.openstreetmap.org/#map=19/36.42388/137.87330

Because where the sidewalk abruptly ends is dangerous for peds, I put in an 
unmarked crossing to the other side, and linked the sidewalk to the road where 
it ends to the east. 

I am committed to mapping all sidewalks as separate ways, because they often 
have routing completely separate from roads in Japan, and the nature of them 
appearing and disappearing be mapped with a separate way is the best way to 
show this - but how peds “rejoin” the road when it does end is what is not 
documented in OSM.


Javbw 
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