[Talk-GB] Usage of "lanes / turn restrictions" versus "multiple ways" when road is not divided

[Oliver Jowett]

I did something similar to this junction:

http://osm.org/go/0EQSYTukM--  / http://binged.it/16jtNsx (note that the
most detailed aerial photo is quite old and predates the guided busway -
zoom out for more recent imagery)

primarily to get routing right. The current version reflects some
combination of physical traffic islands (definitely necessary to get cycle
/ pedestrian routing correct) and "paint" islands.

If there's a better way to represent this while keeping enough information
to be able to route sensibly, how should it be done?

Oliver


On Thu, May 9, 2013 at 1:06 PM, David Earl <david at frankieandshadow.com>wrote:

> On 09/05/2013 12:56, Jason Cunningham wrote:
>
>> UK legislation is fairly clear that Traffic Islands (with or without
>> hatched markings before are after) are not considered to create two
>> carriagways. We're not mapping legislation, but nethertheless I wouldnt
>> create two carriageways for a traffic island in a stretch of road...
>>
>
> What do people think of this:
>
> http://osm.org/go/0EQSJEoZT-- (aerial: http://binged.it/10kuDNm )
>
> and this:
>
> http://osm.org/go/eu6_VCkLp-- (aerial: http://binged.it/16js1Ye )
>
> I was dubious when I first saw what someone (not me) had done in these two
> locations. On the other hand, it is hard to represent properly how
> pedestrians are intended navigate a junction if you don't represent the
> islands, so I have warmed to it a bit. It does make rendering a street map
> a mess, often with lots of apparently superfluous one way arrows and a
> bulge, except at a very large scale.
>
> David
>
>
>
>
> ______________________________**_________________
> Talk-GB mailing list
> Talk-GB at openstreetmap.org
> http://lists.openstreetmap.**org/listinfo/talk-gb<http://lists.openstreetmap.org/listinfo/talk-gb>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/talk-gb/attachments/20130509/25ca78af/attachment.html>