[Talk-us] Check your turn:lanes
burkejf3 at gmail.com
Thu Aug 25 17:50:17 UTC 2016
Fixing where the motorway_link branches out is also one of the things I'm
working on fixing with this project.
But as to why...so that a navigation app can provide proper lane guidance.
I selected this particular example because it's very simple, without other
details to clutter up the discussion. But in large cities, such as Atlanta
where we have a lot of freeway exits just around a curve and you can't see
them in time, it can be incredibly important to know what lane you need to
be in well ahead of time--especially in periods of heavy traffic, were you
can't get into the correct lane at the last minute.
On Thu, Aug 25, 2016 at 1:42 PM, Toby Murray <toby.murray at gmail.com> 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
> Why does this example even need any special lane tagging? I would map
> this as lanes=3 on the motorway and then draw the motorway_link with a
> lanes=1 tag out to right in front of where that picture is. Right now
> the motorway_link doesn't branch off of the main way until WAY past
> where the white solid line starts and where you must commit to the
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