Grade of Automation 4 Archives - International Railway Journal

Grade of Automation 4

March 9, 2026 | Signalling

AutoHaul drives efficiencies at Rio Tinto

Eight years since it operated its first driverless heavy-haul freight train in the Pilbara region of Western Australia, and nearly seven since it switched to entirely automated operations, Rio Tinto provides an update on the efficiency improvements delivered by its AutoHaul ATO system. The mining company also reveals some of the current and future upgrades it is working on, as Kevin Smith reports.

March 5, 2026 | Metros

Hitachi wins contract for Turin metro Line 2

Contract includes supply of 14 trains and CBTC for operation at Grade of Automation 4 (GoA4).

January 20, 2025 | Metros

Alstom to upgrade Madrid Metro Line 6

Implementation of Grade of Automation 4 (GoA4) will deliver first driverless line in Madrid.

December 10, 2024 | Metros

Chennai Metro orders 70 trains from BEML

New three-car trains will mainly operate under ATO at Grade of Automation 4.

December 3, 2024 | Technology

CAF completes mainline ATO at GoA4 trials in the Netherlands

Trials have included fully autonomous shunting in driverless mode.

April 22, 2024 | Signalling

Siemens to upgrade Copenhagen S-Bane network to driverless operation

Contracts signed for lineside and onboard equipment will enable Grade of Automation 4 (GoA4).

March 16, 2023 | Metros

Services begin on Kuala Lumpur’s MRT Putrajaya Line Phase 2

Extension brings complete line length to 57.7km, built at a cost of $US 6.78bn.

January 28, 2022 | News

British regulator launches GoA 4 consultation

ORR is seeking views on how unattended train operation could be developed in Britain.

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