
Smithfield Transport Corridor Upgrade
The Smithfield Transport Corridor Upgrade is a proposed new 3.8-kilometre road bypass to the east of the Captain Cook Highway between Yorkeys Knob Road roundabout and McGregor Road roundabout north of Cairns.
Building Queensland completed the detailed business case for the Smithfield Transport Corridor Upgrade Project in 2017.
View the Smithfield Transport Corridor Upgrade Detailed Business Case 2017 summary.
View the Smithfield Transport Corridor Upgrade Detailed Business Case 2017 Cost Benefit Analysis summary.
All Completed Business Cases
Nullinga Dam and Other Options Preliminary Business Case
The proposed Nullinga Dam site is located on the Walsh River in the Atherton Tablelands and has been proposed as a future water supply to serve growing urban demand in Cairns and to stimulate irrigated agriculture in the region, by supplementing existing supplies.

Cross River Rail
The Cross River Rail Business Case provides a rigorous assessment of the challenges and opportunities facing South East Queensland’s rail network.

Cairns Shipping Development
Building Queensland led the development of the Cairns Shipping Development Detailed Business Case in partnership with Ports North. The detailed business case investigated the widening and deepening of the Trinity Inlet shipping channel and swing basin to allow access for larger cruise ships and naval vessels. It is also investigated the establishment of a new […]