Corner country

October last year with my grandson I did Tibooburra-CC-Innaminka- Walkers Crossing-Birdsville. A great drive. A bit hot, but was tied to school holidays. Also, the last 30km (first for you) of the Walkers Crossing track was rough as, but take it easy and you'll be ok.

EDIT: If you're towing the trailer should be no wider than the tug. Ie, no wide c/ts or pop tops or vans. There is a long stretch where the track is in a deep, narrow trench, sides about 750mm high. In that stretch, opposite direction traffic will present a problem, with or without a trailer on either vehicle.

Depends on what you want to see and what you are driving / if towing something bigger then a camper trailer etc...,,...in another thread you say you want to go to Poepple Corner, so you can head to Innamicka and could go toCameron Corner via Haddon Corner also, or via Cordillo Downs or Walkers Crossing (if open). All above are good options if you’ve not been out there before, personally I really enjoyed our drive via Walkers Crossing route, though thought Cordillo Downs route was an ok drive also.....via Haddon Corner was IMO the less scenic option, but is a bucket list location for some to tick off. Plenty of stuff to see around Innamincka, then head onto CC from there. You might be interested in this LINK

Thank you cheers

Suggest you have a look at the trek notes on this site for good detailed information to assist in planning for the various trips you are interested in doing, and have been asking about on this forum.
However note the announcement today by the Diamantina Shire Council that all visitor travel to Birdsville and Bedourie is banned for 2020 because of COVID-19