- An 11-km tunnel six lanes wide by 2031 to link the Airport Link tunnel near Stafford with the Bruce Highway at Bald Hills at an estimated cost of $9.5-$14.1 billion

- A second 11-km tunnel from Indooroopilly to Airport Link by 2041 at an estimated cost of $7.8-$11.5 billion.

https://www.brisbanetimes.com.au/national/queensland/tunnel-plan-for-brisbane-s-northside-as-congestion-development-bites-20220801-p5b66u.html