way is incorrectly tagged with value "closed"

Not sure what's happening with this section of highway. Should'nt these 2 sections be joined?
Trunk Road #426955476
Trunk Road #426955475

Nor sure what's happening with this section of highway - should it still be proposed?

Can anyone confirm that this footbridge has been permanently removed?

way is incorrectly tagged with the value "ramp" which is not a valid value.
osm.org/way/400098035

New road Bridgewater Cres missing

New road Ellabay Cres Missing

way is incorrectly tagged with the value "roadreserve" which is not a valid value:
osm.org/way/409055310

way is incorrectly tagged with the invalid value "traffic_island"

There is vehicle access from Crittenden Road to Branwhite Street.