A lot of trains are to various degrees. A lot of passenger services are entirely automatic with a conductor just shutting doors and checking tickets. Freight t

A lot of trains are to various degrees. A lot of passenger services are entirely automatic with a conductor just shutting doors and checking tickets. Freight trains probably aren't worth automating right now. Trains are huge, only one guy there, probably useful to have him there anyway if there is a mechanical fault (vs blocking the line for hours while the nearest person flys/drives to the train).