[Tagging] Proposed relation give_way

Paul Johnson baloo at ursamundi.org
Fri Mar 15 01:55:46 UTC 2013


On Thu, Mar 14, 2013 at 8:18 PM, Martin Koppenhoefer <dieterdreist at gmail.com
> wrote:
>
>
> Am 15/mar/2013 um 02:00 schrieb James Mast <rickmastfan67 at hotmail.com>:
>
> > Why wouldn't something like a node tagged "highway:forward=give_way"
> work?
>
>
> Because a node doesn't have direction. Why does it have to be a node of
> the way? You could set the node slightly right (or left where people drive
> on the strange side) of the road and project it in preprocessing to the
> nearest road to get the link.
>

You'd still need direction.  Give ways such as on pretty much any
midwestern left-handed entrance ramp still put the YIELD sign on the right
of the ramp, turned slightly towards the road for which it applies.  Since
the main roadway has more shoulder than the ramp, the sign at left
entrances tends to be substantially closer to the motorway, which has the
right of way and doesn't yield.
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