More trains and more services for the T4 and T8 Lines

The number of trains which can run during the morning and afternoon peaks on the T4 Illawarra Line and T8 Airport Line will be increased, following an $880 million investment in technology improvements to modernise the Sydney Trains network.


Premier Gladys Berejiklian said funding in NSW Budget 2018 will allow for five more trains an hour during the peak on the T4 Illawarra Line from Cronulla, which is an increase of up to 30 per cent in capacity.

The technology improvements will also allow for eight more services an hour on the T8 Airport Line at the International, Domestic, Mascot and Green Square stations, meaning trains at least on average every four minutes instead every six, along with extra services from Revesby.

These upgrades will be delivered in stages with services coming online progressively from the early 2020s.

“At the moment our rail network is complex and reliant on old technologies which limits the number of services we can provide,” Ms Berejiklian said.

“That is why we are making significant investments to improve rail infrastructure and ensure we can continue to meet the growing demand for rail services.

“The T4 Illawarra Line and T8 Airport Line are the first beneficiaries of these signalling upgrades, which will be rolled out across the network – significantly boosting capacity and reliability for all train customers.”

Treasurer Dominic Perrottet said the investment in this technology was an important step in boosting capacity of existing Transport assets.

“We have all had the experience of waiting on an overcrowded platform, so this technology investment will contribute to increasing services and making journeys more comfortable,” Mr Perrottet said.

Minister for Transport and Infrastructure Andrew Constance said the program will start to upgrade parts of the network with state-of-the-art digitalised signalling and control systems used by some of the best railways around the world.

“While we’re building the world class Sydney Metro, it’s important we take action to bring the existing suburban, intercity, and freight services into the 21st Century.

“We are investing in this signalling technology to get more trains on the tracks. Turning old rail into new rail,” Mr Constance said.

In response to recent growth in demand on the T4 Illawarra and T8 Airport lines the program will initially prioritise work to prepare the network to deliver:

  • Up to 30 per cent increase in peak suburban services on the T4 Illawarra Line, as well as more services for South Coast customers.
  • More services for the T8 Airport Line, including a potential 80 per cent increase at the International, Domestic, Mascot and Green Square stations during the morning peak, as well as extra services from Revesby and Campbelltown in south west Sydney.

“For future stages of More Trains, More Services, we’re also investigating how we can add extra services on other lines that we know continue to have high demand, like the T1 Western and Northern Line,” Mr Constance said.

The initial investment of $880 million goes towards developing and starting deployment of digital systems to replace legacy signalling and train control with modern, internationally proven, intelligent systems.

It will also be used for planning the initial stages of the T4 and T8 program, which over the next 10 years will deliver:

  • More services that will reduce wait times, meet demand and provide more seats for long distance customers.
  • Faster travel times for customers through digital train control technology and upgraded rail infrastructure, creating more opportunities for express trains.
  • Improved reliability and reduce customer impacts from incidents.

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