[shubb]

Sure, but are they self driving?

A number of european capitals seem to have managed to do driverless high capacity underground trains. Here in the UK, we've got a number of automated trains but for union reasons they still have drivers in the cab who press go at each station.

In the US, it looks like Detroit has a self driving line, and there are a bunch of airport shuttles. Presumably you are hitting the same union issues as us?