Level 0 | No automation |
Level 1 | Automated systems can sometimes assist the human in some parts of the driving task |
Level 2 | Partially automated systems can conduct some driving tasks while human monitors and performs other driving tasks |
Level 3 | Conditionally automated systems can conduct some driving tasks in some conditions, but the human driver must be ready to take back control |
Level 4 | Highly automated can conduct all driving tasks in some conditions without human control |
Level 5 | Fully automated systems can perform all driving tasks, under all conditions in which human could drive |