Using station tracks shown in EoTopo & Satellite imagery

I'm planning (dreaming?) of trip heading south from Mt Isa in the middle of next year. Looking at EoTopo/Traveller and satellite imagery I can see lots of tracks that take shortcuts across otherwise "blank" areas. How do I work out if I can use them and/or who to contact to get permission?

For example, I'd like to cut south from Fountain Springs to Duchess via some of the old Burke & Wills Camp 99 andBurke & Wills Camp 98 (tracks visible on satellite imagery) or cut across to Devoncourt(via tracks on EoTopo/Traveller).

I'm guessing they are station tracks.

Using Queensland Globe I can find the name of the stations who's land I'd be passing through -
https://qldglobe.information.qld.gov.au/?topic=property - turn on the "Property Names" layer then zoom in a bit. You might want to turn off things like lot numbers and council boundaries.

Some of the stations have websites with contact details I can find on the web. Some I can't find anything about.

How does it work getting permission? Do I just ring up and say "hi can I drive on your tracks" well in advance? Do I ask for anyone in particular? Email them my plans & ask? Drop in when I'm nearby (which would be asking for forgiveness rather than permission because they are at the end of my track usage)? Sneak through and hope nobody notices?

Has anyone got any tips?

Perhaps related to that, how do I tell if something is a public road or a station track? EoTopo, Google Maps, QLD topo maps, etc all show lots of roads. Some are public but I think some are not - is there any easy way to tell? Could I assume if Traveller or Google Maps sends me down a road that it is ok to travel?