Self-driving trains do exist. There are quite a few cities that use driverless trains. https://en.m.wikipedia.org/wiki/Automatic_train_operation https://en.m.w

Self-driving trains do exist. There are quite a few cities that use driverless trains. https://en.m.wikipedia.org/wiki/Automatic_train_operation https://en.m.wikipedia.org/wiki/Automatic_train_operation