Hello.
There's really no point mapping "proposed" features. OSM is a map about the world NOW, not how it's going to be at some point in indeterminate future.
Once the construction starts and shoves hit the ground, then it's useful to map that. Otherwise it's imaginary mapping with no use today.
I believe this edit should be reverted.
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            Published using OSMCha: https://osmcha.org/changesets/138391273
            