[Talk-us] Check your turn:lanes

Jack Burke burkejf3 at gmail.com
Thu Aug 25 17:53:07 UTC 2016


Paul, your examples are pretty much exactly what I've been doing, with the
exception that for the last one I was using:

turn:lanes=none|none|none;slight_right

because of the aforementioned discussion of whether or not to use "through"
without signage.

--jack

On Thu, Aug 25, 2016 at 1:38 PM, Paul Johnson <baloo at ursamundi.org> wrote:

> On Thu, Aug 25, 2016 at 12:09 PM, Jack Burke <burkejf3 at gmail.com> wrote:
>
>> So I take it that at least you and I are in agreement that the wiki is
>> deficient for branching exits like this one:
>> http://mapillary.com/map/im/7igAGXSa6EsUYlTIujXchw
>>
>
> Yes, that's correct.  Moving a couple frames closer to
> http://mapillary.com/map/im/MsMAW3HKVNYxEVCtkRneBg, here's how I would
> tag three segments based on what's visible there and no other context:
>
> Ahead of camera after diverging ramp:
>
> highway=motorway
> oneway=yes
> lanes=3
> ref=I 75
> hgv:lanes=no|yes|yes
>
> The ramp from the physical gore (next to the exit sign) to the tip of the
> theoretical (painted) gore (with the node for the intersection being even
> with the theoretical gore):
>
> highway=motorway_link
> oneway=yes
> placement=transition
> lanes=1
> destination=Sycamore;Ocilla
> destination:ref=GA 32  (also, damn, had to check the minimap on that, I
> almost said MO 32 based on the shape).
> junction:ref=78
>
> Behind the camera:
>
> highway=motorway
> oneway=yes
> lanes=3
> ref=I 75
> hgv:lanes=no|yes|yes
> turn:lanes=through|through|through;slight_right
>
> Your Osmand "invention" example is a perfect case-study of what I'm
>> working on.  I'm trying to get exits on I 75 in Georgia and Florida tagged
>> with destination and lane guidance so that Osmand can show proper guidance,
>> and hopefully other OSM-based navigation apps will add that feature, too.
>> As it stands, I use Osmand to test my tags.
>>
>
> I've been testing this, as well.  I'm fortunate enough to live in a city
> that has nearly every kind of interchange to play with (except for some of
> the newer CFI styles, but OKC and...for like, no reason, rural interchanges
> with basically no traffic on I 40 leading into the Ouachitas are getting
> those) and well enough aware of the tagging in play to have seen what works
> and what doesn't, now.
>
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