Proposed features/Traffic island

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This proposal intends to replace the former use of crossing=uncontrolled;island/traffic_signals;island/etc by mapping traffic islands as areas - just what they are.

prerequisites

When there is a traffic islant, it is necessary to split up the lanes of the road.
A traffic island has an outline.
It is possible that footways, cycleways, or road lanes go across a traffic island.
Traffic islands have different types of kerbs. They might be passable for wheelchair users or not, and they might be high enough to be detected by a blind person with a white cane or not.
Traffic islands might have different surfaces.
Traffic islands might have tactile paving.
Traffic islands might have poles of traffic lights on them, button operated or not.
Traffic islands can be passable for pedestrians or not. They can be middle rest of a zebra crossing, an uncontrolled crossing, a tucan crossing...

(planned)

A traffic island without tactile paving, not detectable for blind persons except they accidentally find the high kerb at one end.| Type A
Traffic island at a Junction. Without tactile paving, but has a lowered kerb.

to be defined

Depends on kerb hight.