[OSM-talk] traffic signals at dual-carriageway and complicated intersections

Lachlan Rogers lachlan at rogers.name
Wed Aug 1 06:48:54 BST 2007

I think this is quite a good suggestion.  It would certainly work for the
case where two dual-carriage way roads intersect.  I wonder if there are any
more complicated situations, and if so I wonder how this technique would

I do think that this is better than having an "invisible" way marking the
intersection square on top of the road ways.

- Lachlan

On 8/1/07, Cameron Patrick <cameron at patrick.wattle.id.au> wrote:
> Lachlan Rogers wrote:
> > I really like this suggestion.  However, what should be done when two
> > intersecting roads are dual-carriageway and different highway types.  In
> > this case the middle square of the intersection would have two sides of
> a
> > particular type and the other two sides a different type.
> The convention for junction=roundabout is to use the 'most major'
> highway type for the junction way.  It would seem sensible to apply this
> to traffic lights as well.
> Cameron
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