The three shortlisted consortia for the Toowoomba's Second Range Crossing (TSRC) PPP project in South-East Queensland, Australia, are set to submit final proposals on 25 February.

• Range Connect: Leighton Contractors, Thiess, Macquarie Capital (Australia), Leighton Holdings, Leighton Contractor Investment Partners and Aberdeen Infrastructure Funds.

• RangeLink: Bouygues Construction Australia, Fulton Hogan Construction, Wagners Quarries, Meridiam RangeLink, Fulton Hogan Industries and Egis Projects Asia Pacific.

• Nexus: Plenary Group, Acciona Infrastructure Australia, Samsung C&T Corporation, Acciona Concesiones and Transfield Services (Australia).

The TSRC is a bypass route to the north of Toowoomba, approximately 41km in length, running from the Warrego Highway at Helidon in the east to the Gore Highway at Athol in the west via Charlton. The project is the largest Commonwealth Government commitment to a single regional road project in Queensland history.

The project will be developed on a design, build, finance, operation and maintenance (DBFOM) basis. The contract will have a period of 25 years from completion of construction.

The total project investment is estimated at A$1.6 billion (US$1248 million). The federal government has committed A$1.285 billion for the project. Queensland Treasurer had also allocated A$321.25 million to the project in 2014-15 budget.

The project will provide an alternative range crossing for the increasing traffic volumes that are putting pressure on the highway network that passes through Toowoomba and over the Toowoomba Range.

Toowoomba city is located 127 km west of Brisbane. The city plays a role in Queensland's transport network by acting as a hub for the Darling Downs and a gateway to the developing energy sector in the Surat Basin.