It appears the main advantage here is the sleeper(tie) already has the railplate and fasteners etc attached before been moved to installation site. Quite a good idea in the Aussie desert heat.
https://www.railexpress.com.au/steel-sl ... ight-line/
https://www.railexpress.com.au/steel-sl ... ight-line/
Moderator worldwide railfan , Rail travel & trip reports
The only train trips I regret are the ones I didn't take.
The only train trips I regret are the ones I didn't take.