Hello.
You made quiet a lot of edits to Kings Highway.
You really should've consulted with the local community before starting on this. While you were well intentioned, ultimately these changes are not correct.
As documented on https://wiki.openstreetmap.org/wiki/Dual_carriageway it explicitly states:
Roads are not to be mapped as dual carriageways if the two directions are only separated by paint. This includes single or multiple painted centre lines, hatched areas, channelized turn lanes, two-way turn lanes, by flush medians, or by any other means that is not a physical barrier to vehicles.

Plus your edits affected a large number of turn restrictions and bus line relations.

All this could've been avoided...
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            Published using OSMCha: https://osmcha.org/changesets/132985854
            