Automatic Train Protection


Project overview

Transport for NSW is improving safety across the electrified rail network by delivering new Automatic Train Protection (ATP) technology.

ATP is a generic name used globally to describe a range of train safety technologies. The ATP and Digital Systems projects both use European Train Control System (ETCS) technology.

Key benefits

The use of ATP technology in our rail network ensures our:

  • Trains operate within the permitted track speed
  • Train crews are supported in ensuring that customers have a safer train journey

What does it involve?

The ATP system involves the installation of technology on the trains themselves and the tracks (trackside). The ATP technology transmits information to enable drivers to manage the speed of the train.

The project involves:

  • Installing balises (electronic transponders) in the rail corridor between existing trackside infrastructure to monitor train speeds
  • Installing equipment on suburban and Intercity trains which provides speed monitoring and braking information to the driver

Discover more in the Automatic Train Protection diagram (PDF, 445.45 KB).

For more information download the frequently asked questions (PDF, 161.44 KB).

Current status

The ATP system is being retrofitted to most existing Sydney Trains and NSW TrainLink trains. New trains will be delivered with ATP technology already installed. The ATP trackside area includes the Sydney Trains metropolitan network as well as the South Coast Line to Kiama, the Blue Mountains Line to Lithgow, and the Central Coast / Newcastle Line.

Visit the Rolling Stock Delivery page for more information on the train fleet roll out.

Project updates

Please see below for the latest information about construction activities in your area. 

The ATP trackside infrastructure rollout is due to be completed across the majority of the Sydney rail network by late 2021. Specific area and construction updates listed below.

ATP is operational in the following locations

Berowra to Newcastle interchange

ATP is now operational on the passenger network from Newcastle to Warnervale and from Cowan to Tascott on the Central Coast and Newcastle Line.

Local residents and businesses will continue to be informed of upcoming work from Warnervale to Point Clare.

Kogarah to Kiama

ATP is now operational from Kogarah to Kiama, including Cronulla and Port Kembla branch lines.

Berowra to Rhodes

ATP is now operational from Berowra to Rhodes.

Local residents and businesses will continue to be informed of upcoming work.

Community notification upcoming works Epping, March 2021 (PDF, 388.23 KB)

Westmead to Emu Plains and Richmond construction updates

Lapstone to Lithgow construction updates

Hornsby to Town Hall construction updates

Wolli Creek to Central and City Circle construction updates

Westmead, Rhodes and Turrella (including Olympic Park Line) to Central construction updates

Bankstown to Leppington and Turrella to Glenlee Junction (past Macarthur)

The area from Redfern to Bondi Junction on the Eastern Suburbs Rail line will be delivered as part of the Digital Systems Program (DSP).