I had the idea that it has been made now. I may be wrong, but someone will know, for sure.

Still gravel, but generally in very good condition. Absolutely no drama with your rig. Not seen it recently.
Fuel at Nullagine is typically cheaper than at Marble Bar.
The loop from Nullagine via Scull Springs Road and the Rippon Hills Road is a pretty drive. The Rippon Hills Road is bitumen, but carries heavy mine traffic, so keep an eye open.

Cheers,
Peter

Thanks Peter, but we went via the Great Northern Highway.Home now in Albany after four months trip around most of the block .
Dhutime