Here the current underground trains are almost fully autonomous. They still carry a person in the cabin "just in case" and mostly because of union pressure. The

Here the current underground trains are almost fully autonomous. They still carry a person in the cabin "just in case" and mostly because of union pressure. There's also a plan where new trains to be delivered in 2025 will be fully autonomous and have no driver at all. AFAIK the situation is similar in some other European cities.