[Tagging] Slow vehicle turnouts

SelfishSeahorse selfishseahorse at gmail.com
Tue Sep 4 07:35:19 UTC 2018


I'd propose to tag the section of the road with the turnout (or
alternatively just a node) turnout:<left/right/both>=yes.

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.


On Mon, 3 Sep 2018 12:31 Dave Swarthout, <daveswarthout at gmail.com> wrote:

> I'm still trying to cook up a scheme where those pullouts can be added as
> a way and then tagged in a manner that reveals their purpose and function.
> The use of lanes may indeed be the most correct approach but to my way of
> thinking, it doesn't communicate the purpose of the "extra" lane very well.
> Because the turnouts use a separate lane, are very short in length, and
> are not really thoroughfares in the usual sense, might it be logical to tag
> them as service roads? As an example:
> highway=service
> service=slow_vehicle_turnout (or slow_vehicle_lane)
> lanes=1
> oneway=yes
> Opinions? Observations?
> On Mon, Aug 27, 2018 at 4:16 AM Kevin Kenny <kevin.b.kenny at gmail.com>
> wrote:
>> On Sun, Aug 26, 2018 at 4:11 PM Dave Swarthout <daveswarthout at gmail.com>
>> wrote:
>> > >We also have the occasional spot like
>> > >
>> https://orthos.dhses.ny.gov/?Extent=-8283718.624472891,5242597.149663145,-8283317.927238801,5242833.029555047&Layers=2017_cache,2016_cache,2015_cache,2014_cache,2013_cache
>> > >There, we have an extra lane on the northbound side for the purpose of
>> > >getting by when the way is blocked by left-turning traffic
>> >
>> > My case is almost identical to the above illustration, except to
>> substitute the words "slow moving vehicles" for "left turning traffic". I
>> reckon I could use the lanes tagging but like Kevin, I have many "other
>> fish to fry" which is why I'm still looking for a simple one-tag-fixes-all
>> solution.
>> My guess is that the slow-moving traffic is supposed to pull over into
>> the outer lane, allowing the parade behind to pass on the inside,
>> rather than the through traffic passing on the outer lane?  That's
>> like my first case, except that in that particular case, the climbing
>> lane goes on for several km (the highway is gaining a few hundred
>> metres of elevation up the Helderberg escarpment). We do have ones
>> that are more like pullouts rather than long lanes. There's a shorter
>> one on the westbound carriageway in
>> https://orthos.dhses.ny.gov/?Extent=-8267325.730037971,5268580.377261018,-8265722.941101252,5269523.896828834&Layers=2017_cache,2016_cache,2015_cache,2014_cache,2013_cache
>> By contrast, although the section is short, the outer westbound lane
>> in
>> https://orthos.dhses.ny.gov/?Extent=-8244541.671667748,5187738.535180551,-8244140.974433658,5187974.415072453&Layers=2017_cache,2016_cache,2015_cache,2014_cache,2013_cache
>> is NOT a climbing lane. It's set off by a single broken line, and
>> traffic is expected to keep to the right except to pass.
> --
> Dave Swarthout
> Homer, Alaska
> Chiang Mai, Thailand
> Travel Blog at http://dswarthout.blogspot.com
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