sent from a phone

>> On 21. May 2020, at 23:17, Mike Thompson <miketh...@gmail.com> wrote:
> A way that is used to access a private residence from a public road is 
> highway=service, service=driveway (functional classification), unless it is 
> too long (exact distance not specified), or too rough (physical 
> classification).
> 
> If this is confusing for an experienced mapper and geodata geek, how are data 
> users/consumers supposed to figure this out?


I guess the “if the driveway is too long, make a part of it service”-rule is 
actually there to help data consumers (if it’s very long it might be worth 
showing it earlier, assuming you hide driveways earlier than service roads). 


The distinction by width (wide enough for a car or only for a bike) seems a 
very fundamental one, it has also functional implications. On the other hand, 
footways and cycleways may be wide enough for a car, their tagging is mostly 
determined by the legal situation, (e.g. signed, in parks), and the same for 
their path synonyms (with *=designated), so it’s only between “non designated” 
path and track that width is decisive (functionally: usable by tractors or not).

If the driveway is too rough, it maybe isn’t a driveway any more, it will 
depend on the other driveways in the area what is acceptable as a driveway, and 
when you would consider it track, that’s why there isn’t a clear limit on a 
global level.

Cheers Martin 
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