[OSM-talk] Clarifying and representing road markings at junctions

Martin Koppenhoefer dieterdreist at gmail.com
Thu Oct 1 01:08:03 BST 2009

2009/9/30 Roy Wallace <waldo000000 at gmail.com>:
> On Wed, Sep 30, 2009 at 7:35 PM, David Earl <david at frankieandshadow.com> wrote:
>> On 30/09/2009 10:20, Martin Koppenhoefer wrote:
>>> you could model it like this (see attached, colours are just
>>> indicating the ways, not highway-classes)
>> Yes, that's also what I typically do, e.g.
>> http://www.openstreetmap.org/?lat=52.596517&lon=0.376144&zoom=18&layers=B000FTF

> 1) What if the road name changes *at* the junction, not just after the junction?

what do you mean? There is a streetsign in the center of the crossing?
Do you have a foto of this?

> 2) That hack just seems to change two things:
> a) it changes the *angle* between the intersecting ways at the
> junction. Is there any reason to want to do this? What exact problem
> does it solve?

it illustrates/models the curve you usually have in these situations

> b) it makes a single *way* continue through the intersection. Does
> this actually infer that there is no giveway instruction? If so, is
> this documented anywhere?

there will be / is a giveway instruction.

> (I'm sure I could find examples where this
> is not the case)

if you have some examples, we'll find solutions for them ;-)


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