[Tagging] Slow vehicle turnouts

Dave Swarthout daveswarthout at gmail.com
Tue Sep 4 10:42:34 UTC 2018

Summarizing recent comments:
Martin wrote:
> what’s wrong with passing place? Seems to describe the same thing

I thought so too until I noticed that the Wiki says passing_place is used
for nodes only, using logic that escapes me, so I began searching for
another method. I also considered modifying that definition so it includes
ways but was reluctant to start that battle even though that still seems a
good solution.

Marc suggests another lanes scheme that has some usage in bus lanes.
Although using the lanes logic is more complicated than what I seek, if
that scheme is in use on bus routes then maybe that's the best, I dunno. It
requires splitting the main way twice and adding 3 separate sets of tags to
each resultant section similar to this set:

turnout:lanes=yes   (?)

Again, I see this as a good structure but it seems overly complicated to
describe this simple lane.

Markus wrote:
>I would neither use a lane key nor a separate highway=service way, because
slow vehicle turnouts aren't lanes for moving traffic and because a
separate highway >way would give the wrong impression that the turnout were
physically separated from the other lanes.

I agree that adding the turnout as a separate service highway might give
the wrong impression because the ways are not actually separated, however,
IMO it does model reality sufficiently to justify its use. Also, the
turnout lane does move traffic; it just moves it slower than the main

Again, I'm looking for a *simpler" method of tagging these short sections.
But if we determine the lanes model, either the one suggested by Marc, or
earlier by Kevin, is best suited, I'll go with that.


On Tue, Sep 4, 2018 at 4:50 PM Martin Koppenhoefer <dieterdreist at gmail.com>

> sent from a phone
> > On 4. Sep 2018, at 09:35, SelfishSeahorse <selfishseahorse at gmail.com>
> wrote:
> >
> > I'd propose to tag the section of the road with the turnout (or
> alternatively just a node) turnout:<left/right/both>=yes.
> what’s wrong with passing place? Seems to describe the same thing
> Cheers,
> Martin

Dave Swarthout
Homer, Alaska
Chiang Mai, Thailand
Travel Blog at http://dswarthout.blogspot.com
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