[3] Like its predecessor RailCorp, the TAHE holds rail property assets, rolling stock and rail infrastructure in the Sydney metropolitan area and limited country locations in the state and it makes these assets available to Sydney Trains and NSW TrainLink for their operations.

[4] A sister entity, the Residual Transport Corporation (RTC), which was formed in July 2017, owns assets not suitable for TAHE ownership.

[5] The TAHE will eventually own the state's public transport assets, including ferries.

[3][9] The directors may also include the chief executive of TAHE, currently Benedicte Colin as of February 2022[update].

[11] The Financial Review report stated: "Faced with the new accounting standards, PwC instead recommended either the whole TfNSW portfolio be fully corporatised or the TAHE proposal be dropped."