Table 2.
Automation levels.
| Automation levels | Interpretation |
|---|---|
| GoA-0 | Terminal operating system with manual driving |
| GoA-1 | Nonautomatic train operation |
| GoA-2 | Semiautomatic train operation |
| GoA-3 | Driverless train operation |
| GoA-4 | Unattended train operation |
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