Transurban Group has signed an agreement with the Victorian Government (Australia) to deliver the CityLink Tulla Widening project.

The total project investment is estimated at A$850 million. To fund the project, the CityLink Concession will be extended by one year, toll price increases will remain at a minimum of 4.5 per cent (annually) for an additional year and truck tolls will increase to become consistent with national pricing for trucks on other motorway networks.

The project will add extra lanes in each direction between the Bolte Bridge and Melrose Drive on the Tullamarine Freeway, as well as extra lanes on the Bolte Bridge and a section of the West Gate Freeway (eastbound) between Bolte Bridge and Power Street. It will increase the road capacity by up 30%. Tullamarine corridor  is one of the busiest roads in Melbourne, carrying about 210,000 vehicles per day.

Premier Denis Napthine stated:

This project is another piece of the Coalition Government's vision for a 21st Century transport system for Melbourne and Victoria. The CityLink Tulla Widening project will work hand-in-hand with the East West Link and the Melbourne/Airport Rail Link to provide better, more efficient connections for motorists and business.

Works will progressively start from early 2015 with major construction works on the freeway commencing in October 2015.

The CityLink Tulla Widening project involves adding lanes and other measures to improve the flow of traffic across the 19 kilometre section of freeway from the CityLink tunnels to Melrose Drive on Tullamarine Freeway. The project will also provide travel time savings of up to 16 minutes per trip between Melbourne Airport and the West Gate Freeway during peak periods.