[Talk-GB] Mapping separated highways, islands, roundabout flares, etc.

[SK53]

In general it's only roundabout flares that I tend to map, but I also leave
them if they are mapped as a single way unless doing so makes pedestrian
routing across the relevant road inaccurate. For smaller dividers such as
pedestrian refuges, I'd tend to use of tags on the way. The one time I felt
I did have to split the road into opposite carriageways was on the A642
near Huddersfield. A speed camera
<https://www.openstreetmap.org/node/5088707444#map=19/53.63451/-1.70940> is
positioned on an island in the middle of the road & I couldn't see any
other way of representing this particular aspect. As you can see it looks a
bit odd on the standard map style.

Jerry

On Thu, 21 Jan 2021 at 20:24, Neil Matthews <ndmatthews at ndmatthews.plus.com>
wrote:

> My understanding has been that if a highway has a physical divider
> separating traffic in opposite directions, then one should split it into
> two sections as close to the physical object as possible.
>
> If this is correct (and I hope so) -- then is there any reason not to
> continue that idea of separating separate traffic moving in opposite
> directions, as the size of the divider decreases? (Other than
> time/inclination to map?).
>
> I'm thinking of flared exits and entry ways for roundabouts, traffic
> calming, and in the limit maybe even traffic islands? Does that seem
> sensible the wiki is a bit quiet about it.
>
> Best regards,
> Neil
>
>
>
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