[Talk-us] I 85 Express Lane (Atlanta, Georgia)

Paul Johnson baloo at ursamundi.org
Sun Oct 1 19:26:59 UTC 2017

On Wed, Sep 27, 2017 at 10:37 AM, Jack Burke <burkejf3 at gmail.com> wrote:

> > On Sep 24, 2017, at 5:22 PM, Minh Nguyen <minh at nguyen.cincinnati.oh.us>
> wrote:
> >
> > I might be inclined to map the lane as a separate way, but only because
> I don't know of any routers that currently
> > recognize the change:lanes tag. [1] Either way, it makes sense to treat
> HOV and toll lanes similarly.
> >
> > [1] https://wiki.openstreetmap.org/wiki/Key:change
> >
> As to treating the two types the same, I concur.  The specific type of
> lane is immaterial; that they have different access restrictions than
> normal lanes is what is important.  As to mapping them separately,
> I'm...still strugging with that (mentally, not in terms of making the
> edits).  We already map some types of access restrictions without drawing
> separate ways; e.g., hgv:lanes=no|yes|yes for sections of highway where big
> rigs are not supposed to use the far-left lane.  On the other hand, we do
> it that way because there isn't any legal restriction on vehicles moving
> between lanes, like there is with the double-solid-stripe separated
> HOV/toll lanes.  Using hov:lanes=blah|blah|blah is actually documented,
> whereas toll:lanes= is not, yet as far as I know, not a single router
> supports HOV tags in any form, which is a problem in Atlanta, because we
> have some HOV-only freeway entrance and exit ramps.  I guess that's why
> some wiki pages suggest doing access=no and hov=yes for such link roads.

We really need to start treating bicycle lanes the same way.  They're
increasingly not the curb lane, there's increasingly multiple bicycle
lanes, and not including bicycle lanes makes for some pretty crap lane
guidance where present, especially for bicycles.  Seems very strange to
explicitly exclude this single, very frequent kind of lane restriction just
because of the vehicle type.
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