I had no luck in finding a good wiki link on mapping divided roads but this helps
osm.wiki/Editing_Standards_and_Conventions#Divided_highways
The lanes tagging methods are good for detailing the lane changes and best done in Josm with help of plugins.

Hi Luen
the additional land of Pinnacles National Park should have an outer role in the relation.

I think it would be best to ask OsmAnd questions regarding uploading a gpx to osm on a OsmAnd forum. If not, then ask on our new osm community help site https://community.openstreetmap.org/ and they should be able to assist.

“Gays Get Around” seems unlikely to be an official detour name in the National Park.
This is from our wiki regarding uploading a gps trace…
osm.wiki/Upload_GPS_tracks

What have you mapped here?
node/9982766320

?? try this one...
https://tools.geofabrik.de/osmi/?view=areas&lon=153.01458&lat=-27.45593&zoom=16

the above link doesn't work for me so here is another try...zoom in to the blue dot.
https://tools.geofabrik.de/osmi/?view=areas&lon=151.27881&lat=-26.95733&zoom=8&baselayer=Geofabrik+Standard&overlays=duplicate_node%2Csingle_node_in_way%2Cduplicate_segment%2Cway_in_multiple_rings%2Cintersection%2Cintersecting_segments%2Cring_not_closed%2Ctouching_rings%2Crole_should_be_inner%2Crole_should_be_outer%2Cinner_with_same_tags%2Cways%2Cduplicate_node%2Csingle_node_in_way%2Cduplicate_segment%2Cway_in_multiple_rings%2Cintersection%2Cintersecting_segments%2Cring_not_closed%2Ctouching_rings%2Crole_should_be_inner%2Crole_should_be_outer%2Cinner_with_same_tags%2Cways

Hi
I noticed this is picked up on osmi-areas
https://tools.geofabrik.de/osmi/?view=areas&lon=153.01465&lat=-27.45380&zoom=19&baselayer=Geofabrik+Standard&overlays=duplicate_node%2Csingle_node_in_way%2Cduplicate_segment%2Cway_in_multiple_rings%2Cintersection%2Cintersecting_segments%2Cring_not_closed%2Ctouching_rings%2Crole_should_be_inner%2Crole_should_be_outer%2Cinner_with_same_tags%2Cways%2Cduplicate_node%2Csingle_node_in_way%2Cduplicate_segment%2Cway_in_multiple_rings%2Cintersection%2Cintersecting_segments%2Cring_not_closed%2Ctouching_rings%2Crole_should_be_inner%2Crole_should_be_outer%2Cinner_with_same_tags%2Cways

I have corrected the suburb case.

Also, could you check #24 Soudan Rd as I expect the large building may be a duplex with one side being #22 and the two smaller buildings nearer the roadway are garages for their cars.
If I don't hear back, I might just change it, but are you able to check?

Here is an example where the fences are mapped in detail.
osm.org/#map=19/-27.21110/153.02381
It is less common here to enclose the front of residential property in a fence than in southern states.

Hi
you have mapped over 2100 fence lines so far. Almost all the ones drawn across the front of properties cut across footways and driveways where there is very often no fence present. If you are manually adding these, it would seem to me to be not much effort to map only where a fence is present.

Hi
I notice a few lane extensions.
https://overpass-api.de/achavi/?changeset=125384136

For example where there is a link from Marmion Avenue to Whitfords Avenue.
Osm only has a separate way mapped where there is a physical separation like a cement or metal barrier. The convention is not to draw a separate way based on line painting alone, even if solid white or double lines.

The ones you have changed appear to have been mapped correctly before you changed them. That is, they were only drawn as a separate way from where there was a physical barrier.
OSM is not intuitive in this regard, but I have been unable to find guidance in regard to this on the osm wiki as yet and will post a link if I find it.

Hi
Could you explain further your changeset comments and also the reason you are deleting the points of interest, thanks

There are a few others in this area that need fixing.

osm.wiki/Names

Correction:
I should have said case instead of syntax.
I guess it is not really important but more of a convention to use uppercase for names.

I have deleted it now.

Hi
You have accidentally added a whole city block as a building=house in this changeset

Hi
Syntax is important for the osm database.
addr:suburb=west footscray
should be West Footscray
ie the name should begin with uppercase letters.

I guess that's ok as the boundary is mapped anyway
relation/10627355